Home / 172,531.43-258,849.96-88,351.19

Finding the Fourth Proportional to 172,531.43, 258,849.96 and 88,351.19

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Solution

The fourth proportional to 172,531.43, 258,849.96 and 88,351.19 is: 132,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,531.43 : 258,849.96 = 88,351.19 : x
  2. Step 2: Convert to fraction form
    172,531.43/258,849.96 = 88,351.19/x
  3. Step 3: Cross multiply
    172,531.43x = 258,849.96 × 88,351.19
  4. Step 4: Simplify right side
    172,531.43x = 22,869,701,997.45
  5. Step 5: Solve for x
    x = 22,869,701,997.45/172,531.43
  6. Step 6: Final answer
    x = 132,553.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.