Home / 252,049.02-378,147.33-74,560.75

Finding the Fourth Proportional to 252,049.02, 378,147.33 and 74,560.75

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Solution

The fourth proportional to 252,049.02, 378,147.33 and 74,560.75 is: 111,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,049.02 : 378,147.33 = 74,560.75 : x
  2. Step 2: Convert to fraction form
    252,049.02/378,147.33 = 74,560.75/x
  3. Step 3: Cross multiply
    252,049.02x = 378,147.33 × 74,560.75
  4. Step 4: Simplify right side
    252,049.02x = 28,194,948,535.30
  5. Step 5: Solve for x
    x = 28,194,948,535.30/252,049.02
  6. Step 6: Final answer
    x = 111,862.96

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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.