Home / 132,531.40-198,797.10-49,414.60

Finding the Fourth Proportional to 132,531.40, 198,797.10 and 49,414.60

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Solution

The fourth proportional to 132,531.40, 198,797.10 and 49,414.60 is: 74,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,531.40 : 198,797.10 = 49,414.60 : x
  2. Step 2: Convert to fraction form
    132,531.40/198,797.10 = 49,414.60/x
  3. Step 3: Cross multiply
    132,531.40x = 198,797.10 × 49,414.60
  4. Step 4: Simplify right side
    132,531.40x = 9,823,479,177.66
  5. Step 5: Solve for x
    x = 9,823,479,177.66/132,531.40
  6. Step 6: Final answer
    x = 74,121.90

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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.