Home / 132,199.92-198,270.72-38,712.96

Finding the Fourth Proportional to 132,199.92, 198,270.72 and 38,712.96

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Solution

The fourth proportional to 132,199.92, 198,270.72 and 38,712.96 is: 58,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,199.92 : 198,270.72 = 38,712.96 : x
  2. Step 2: Convert to fraction form
    132,199.92/198,270.72 = 38,712.96/x
  3. Step 3: Cross multiply
    132,199.92x = 198,270.72 × 38,712.96
  4. Step 4: Simplify right side
    132,199.92x = 7,675,646,452.53
  5. Step 5: Solve for x
    x = 7,675,646,452.53/132,199.92
  6. Step 6: Final answer
    x = 58,060.90

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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.