Home / 132,607.29-198,364.17-85,149.39

Finding the Fourth Proportional to 132,607.29, 198,364.17 and 85,149.39

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Solution

The fourth proportional to 132,607.29, 198,364.17 and 85,149.39 is: 127,373.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,607.29 : 198,364.17 = 85,149.39 : x
  2. Step 2: Convert to fraction form
    132,607.29/198,364.17 = 85,149.39/x
  3. Step 3: Cross multiply
    132,607.29x = 198,364.17 × 85,149.39
  4. Step 4: Simplify right side
    132,607.29x = 16,890,588,073.36
  5. Step 5: Solve for x
    x = 16,890,588,073.36/132,607.29
  6. Step 6: Final answer
    x = 127,373.00

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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.