Home / 132,717.10-198,747.60-88,102.30

Finding the Fourth Proportional to 132,717.10, 198,747.60 and 88,102.30

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Solution

The fourth proportional to 132,717.10, 198,747.60 and 88,102.30 is: 131,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,717.10 : 198,747.60 = 88,102.30 : x
  2. Step 2: Convert to fraction form
    132,717.10/198,747.60 = 88,102.30/x
  3. Step 3: Cross multiply
    132,717.10x = 198,747.60 × 88,102.30
  4. Step 4: Simplify right side
    132,717.10x = 17,510,120,679.48
  5. Step 5: Solve for x
    x = 17,510,120,679.48/132,717.10
  6. Step 6: Final answer
    x = 131,935.68

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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.