Home / 132,728.59-198,625.11-82,832.14

Finding the Fourth Proportional to 132,728.59, 198,625.11 and 82,832.14

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Solution

The fourth proportional to 132,728.59, 198,625.11 and 82,832.14 is: 123,956.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,728.59 : 198,625.11 = 82,832.14 : x
  2. Step 2: Convert to fraction form
    132,728.59/198,625.11 = 82,832.14/x
  3. Step 3: Cross multiply
    132,728.59x = 198,625.11 × 82,832.14
  4. Step 4: Simplify right side
    132,728.59x = 16,452,542,919.04
  5. Step 5: Solve for x
    x = 16,452,542,919.04/132,728.59
  6. Step 6: Final answer
    x = 123,956.28

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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.