Home / 178,932.12-268,398.27-84,092.73

Finding the Fourth Proportional to 178,932.12, 268,398.27 and 84,092.73

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Solution

The fourth proportional to 178,932.12, 268,398.27 and 84,092.73 is: 126,139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,932.12 : 268,398.27 = 84,092.73 : x
  2. Step 2: Convert to fraction form
    178,932.12/268,398.27 = 84,092.73/x
  3. Step 3: Cross multiply
    178,932.12x = 268,398.27 × 84,092.73
  4. Step 4: Simplify right side
    178,932.12x = 22,570,343,251.58
  5. Step 5: Solve for x
    x = 22,570,343,251.58/178,932.12
  6. Step 6: Final answer
    x = 126,139.14

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1.5x scale

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.