Finding the Fourth Proportional to 186,593.79, 257,489.71 and 106,010.13
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Solution
The fourth proportional to 186,593.79, 257,489.71 and 106,010.13 is: 146,288.45
Step by Step Solution
- Step 1: Write the proportion equation
186,593.79 : 257,489.71 = 106,010.13 : x - Step 2: Convert to fraction form
186,593.79/257,489.71 = 106,010.13/x - Step 3: Cross multiply
186,593.79x = 257,489.71 × 106,010.13 - Step 4: Simplify right side
186,593.79x = 27,296,516,078.29 - Step 5: Solve for x
x = 27,296,516,078.29/186,593.79 - Step 6: Final answer
x = 146,288.45
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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.