Home / 123,537.60-185,306.40-121,569.30

Finding the Fourth Proportional to 123,537.60, 185,306.40 and 121,569.30

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Solution

The fourth proportional to 123,537.60, 185,306.40 and 121,569.30 is: 182,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,537.60 : 185,306.40 = 121,569.30 : x
  2. Step 2: Convert to fraction form
    123,537.60/185,306.40 = 121,569.30/x
  3. Step 3: Cross multiply
    123,537.60x = 185,306.40 × 121,569.30
  4. Step 4: Simplify right side
    123,537.60x = 22,527,569,333.52
  5. Step 5: Solve for x
    x = 22,527,569,333.52/123,537.60
  6. Step 6: Final answer
    x = 182,353.95

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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.