"hefty proportion" is a perfectly usable phrase in written English.
It means a large amount or percentage of something. Example sentence: "A hefty proportion of the budget was spent on advertising."
The generation before us bought up a hefty proportion of British property and are now either sitting on it or leasing it to us for astronomical monthly fees.
The GIB has huge potential to leverage in a hefty proportion of the private sector investment needed for the UK's low carbon economy to flourish.
And, given the alarming rise in obesity, telling fat people to eat less will alienate a hefty proportion - forgive the expression - of the electorate.
As if Carmina Burana has met High School Musical, the work has been almost impossibly sanitised – the equivalent of pulling a hefty proportion of its teeth.
If you're very worried about Brexit, you might want to take a look at your portfolio for a handful of stocks that have British subsidiaries that generate a hefty proportion of the parent company's revenue.
The study suggests that a hefty proportion of clients are going hungry for longer than the nine-to-15 days that three Trussell food parcels would be expected to last.
With large open spaces to fill, the couple chose furniture of equally large proportions, like a hefty teak slab dining table with matching benches by the Parisian artist and designer Jerome Abel Seguin.
But a member of the European Central Bank board, Ewald Nowotny, has singled out Hungary's hefty levy as "way out of proportion".A broader worry is about Hungary's democracy.
American issuers like Ford Motor Company and Philip Morris have brought large new issues to the European market recently, and a large proportion of this years hefty new-issuance calendar in Europe reflects European demand for American names in the single-A universe.
The jut-jawed proportions, along with the hefty 6.2-liter V-8, made me picture a car so nose heavy that its rear wheels would be levered off the ground.
Britain is one of the worst recyclers in Europe and councils face hefty fines if they fail to increase the proportion of domestic waste recycled from 27%to40%0% by 2010.
