Home / 132,431.49-198,671.67-43,691.13

Finding the Fourth Proportional to 132,431.49, 198,671.67 and 43,691.13

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Solution

The fourth proportional to 132,431.49, 198,671.67 and 43,691.13 is: 65,544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,431.49 : 198,671.67 = 43,691.13 : x
  2. Step 2: Convert to fraction form
    132,431.49/198,671.67 = 43,691.13/x
  3. Step 3: Cross multiply
    132,431.49x = 198,671.67 × 43,691.13
  4. Step 4: Simplify right side
    132,431.49x = 8,680,189,761.29
  5. Step 5: Solve for x
    x = 8,680,189,761.29/132,431.49
  6. Step 6: Final answer
    x = 65,544.76

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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.