Home / 123,452.20-185,178.30-34,708.60

Finding the Fourth Proportional to 123,452.20, 185,178.30 and 34,708.60

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Solution

The fourth proportional to 123,452.20, 185,178.30 and 34,708.60 is: 52,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,452.20 : 185,178.30 = 34,708.60 : x
  2. Step 2: Convert to fraction form
    123,452.20/185,178.30 = 34,708.60/x
  3. Step 3: Cross multiply
    123,452.20x = 185,178.30 × 34,708.60
  4. Step 4: Simplify right side
    123,452.20x = 6,427,279,543.38
  5. Step 5: Solve for x
    x = 6,427,279,543.38/123,452.20
  6. Step 6: Final answer
    x = 52,062.90

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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.