Home / 152,834.40-229,251.60-99,691.20

Finding the Fourth Proportional to 152,834.40, 229,251.60 and 99,691.20

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Solution

The fourth proportional to 152,834.40, 229,251.60 and 99,691.20 is: 149,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,834.40 : 229,251.60 = 99,691.20 : x
  2. Step 2: Convert to fraction form
    152,834.40/229,251.60 = 99,691.20/x
  3. Step 3: Cross multiply
    152,834.40x = 229,251.60 × 99,691.20
  4. Step 4: Simplify right side
    152,834.40x = 22,854,367,105.92
  5. Step 5: Solve for x
    x = 22,854,367,105.92/152,834.40
  6. Step 6: Final answer
    x = 149,536.80

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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.