The phrase "a larger margin in" is correct and usable in written English.
It can be used when discussing differences, allowances, or gaps in various contexts, such as finance, statistics, or design.
Example: "The company reported a larger margin in their profit compared to last year."
Alternatives: "a greater gap in" or "an increased margin in".
Recent polls suggest that Mr. Lazio is leading upstate by a margin of about 10 percentage points, but political analysts say he needs a larger margin in the region to overcome the overwhelming support that Mrs. Clinton is expected to receive in New York City.
Beyond that, there are six states that while decided by a larger margin in 2000, were described by analysts and aides to Mr. Bush and Mr. Kerry as potentially in play this year: Arizona and West Virginia, followed by Delaware, Colorado, Louisiana and New Jersey.
It is designed to be a little skeptical that, for instance, Mr. Obama is actually leading by a larger margin in Ohio (by about three points in the polls) than in the national numbers (where he leads by about two points).
Mr. Obama won Colorado by a larger margin in 2008 — by 8.9 percentage points, against 6.3 in Virginia — but that isn't all that large a difference; small enough that some of these differences could reverse their order on the electoral map.
It is clear that the robot running in CLM has a larger margin in whole process.
Many of these testing services already cost a couple hundred dollars and the lowered cost and higher speed could not only give them a larger margin in profits but the ability to process faster and possibly bring in a higher load of customers.
Slovenians rejected same-sex marriage by a large margin in a referendum held on Sunday, a result that represents a victory for the conservatives backed by the Catholic Church.
They succeeded in making the gun-background-check issue a major topic of debate in the elections that year, but McDonnell won by a large margin in November.
Despite having surpassed analysts' expectations -- by a large margin in the cases of Citigroup and Merrill Lynch -- the companies got only a slight boost from investors.
Rim Jong-sim won by a large margin in the women's 75kg weightlifting on Friday, one weight category higher than her triumph at London 2012.
