Home / 132,997.92-199,330.32-66,456.72

Finding the Fourth Proportional to 132,997.92, 199,330.32 and 66,456.72

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Solution

The fourth proportional to 132,997.92, 199,330.32 and 66,456.72 is: 99,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,997.92 : 199,330.32 = 66,456.72 : x
  2. Step 2: Convert to fraction form
    132,997.92/199,330.32 = 66,456.72/x
  3. Step 3: Cross multiply
    132,997.92x = 199,330.32 × 66,456.72
  4. Step 4: Simplify right side
    132,997.92x = 13,246,839,263.75
  5. Step 5: Solve for x
    x = 13,246,839,263.75/132,997.92
  6. Step 6: Final answer
    x = 99,601.85

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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.