Home / 132,531.45-198,729.08-39,025.05

Finding the Fourth Proportional to 132,531.45, 198,729.08 and 39,025.05

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Solution

The fourth proportional to 132,531.45, 198,729.08 and 39,025.05 is: 58,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,531.45 : 198,729.08 = 39,025.05 : x
  2. Step 2: Convert to fraction form
    132,531.45/198,729.08 = 39,025.05/x
  3. Step 3: Cross multiply
    132,531.45x = 198,729.08 × 39,025.05
  4. Step 4: Simplify right side
    132,531.45x = 7,755,412,088.33
  5. Step 5: Solve for x
    x = 7,755,412,088.33/132,531.45
  6. Step 6: Final answer
    x = 58,517.52

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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.