The phrase "a much more viable" is correct and usable in written English.
It can be used when comparing the viability of two or more options, indicating that one option is significantly more feasible or practical than the others.
Example: "After analyzing the proposals, we found that option B is a much more viable solution for our needs."
Alternatives: "far more feasible" or "significantly more practical."
He's the principal reason we are a much more viable franchise than we were.
'But the Fixed Term Parliaments Act, in a House of Commons context, has made the prospect of a minority government a much more viable one".
On the other hand, for very obvious reasons, photovoltaic solar energy is a much more viable proposition in India than it is in northern European countries such as Germany, or for that matter, Britain.
Structured training, on-the-job learning, [and] the support to achieve professional qualifications' Interestingly, new rules being implemented may also make moving between the various areas of the the public sector a much more viable option.
But the administration argues that big trends — like rising wages in developing countries, falling wages in America and a weaker dollar — have made moving work to or keeping work in the United States a much more viable option.
Berahino though could be a much more viable option, with the striker currently having to make do with a place on the West Brom substitutes' bench and finding his only game time in under-21 fixtures.
There is much less of a secure path these days than in the past, which makes starting a business either on a shoe string, with private investment money, or even with a bank loan, much more viable of an option these days.
Compared to the 73 miles of driving range that was available back in December 2010 when the first examples were being delivered to American customers, that was a huge improvement, generally making the Leaf much more viable as a primary vehicle for many drivers.
Each new defection makes the western bank of the Hudson River that much more viable as a corporate haven.
Unless something like carbon capture and storage becomes much more viable as a way to massively reduce global warming emissions from coal power, they will close.
"If we can get it to work at higher frequencies, that makes it much more viable as a consumer product, because you're talking about smaller transducers and much less energy," the senior Mr. Nyberg said.
