Finding the Fourth Proportional to 175,207.13, 261,850.52 and 127,921.83
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Solution
The fourth proportional to 175,207.13, 261,850.52 and 127,921.83 is: 191,181.70
Step by Step Solution
- Step 1: Write the proportion equation
175,207.13 : 261,850.52 = 127,921.83 : x - Step 2: Convert to fraction form
175,207.13/261,850.52 = 127,921.83/x - Step 3: Cross multiply
175,207.13x = 261,850.52 × 127,921.83 - Step 4: Simplify right side
175,207.13x = 33,496,397,704.85 - Step 5: Solve for x
x = 33,496,397,704.85/175,207.13 - Step 6: Final answer
x = 191,181.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.