Finding the Fourth Proportional to 186,843.42, 257,850.18 and 101,965.14
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Solution
The fourth proportional to 186,843.42, 257,850.18 and 101,965.14 is: 140,715.31
Step by Step Solution
- Step 1: Write the proportion equation
186,843.42 : 257,850.18 = 101,965.14 : x - Step 2: Convert to fraction form
186,843.42/257,850.18 = 101,965.14/x - Step 3: Cross multiply
186,843.42x = 257,850.18 × 101,965.14 - Step 4: Simplify right side
186,843.42x = 26,291,729,702.73 - Step 5: Solve for x
x = 26,291,729,702.73/186,843.42 - Step 6: Final answer
x = 140,715.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.