Home / 149,020.90-223,531.35-132,691.30

Finding the Fourth Proportional to 149,020.90, 223,531.35 and 132,691.30

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Solution

The fourth proportional to 149,020.90, 223,531.35 and 132,691.30 is: 199,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,020.90 : 223,531.35 = 132,691.30 : x
  2. Step 2: Convert to fraction form
    149,020.90/223,531.35 = 132,691.30/x
  3. Step 3: Cross multiply
    149,020.90x = 223,531.35 × 132,691.30
  4. Step 4: Simplify right side
    149,020.90x = 29,660,665,422.26
  5. Step 5: Solve for x
    x = 29,660,665,422.26/149,020.90
  6. Step 6: Final answer
    x = 199,036.95

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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.