Home / 125,233.20-172,821.42-67,874.22

Finding the Fourth Proportional to 125,233.20, 172,821.42 and 67,874.22

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Solution

The fourth proportional to 125,233.20, 172,821.42 and 67,874.22 is: 93,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,233.20 : 172,821.42 = 67,874.22 : x
  2. Step 2: Convert to fraction form
    125,233.20/172,821.42 = 67,874.22/x
  3. Step 3: Cross multiply
    125,233.20x = 172,821.42 × 67,874.22
  4. Step 4: Simplify right side
    125,233.20x = 11,730,119,081.79
  5. Step 5: Solve for x
    x = 11,730,119,081.79/125,233.20
  6. Step 6: Final answer
    x = 93,666.21

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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.