Home / 179,123.92-268,023.12-108,087.76

Finding the Fourth Proportional to 179,123.92, 268,023.12 and 108,087.76

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Solution

The fourth proportional to 179,123.92, 268,023.12 and 108,087.76 is: 161,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,123.92 : 268,023.12 = 108,087.76 : x
  2. Step 2: Convert to fraction form
    179,123.92/268,023.12 = 108,087.76/x
  3. Step 3: Cross multiply
    179,123.92x = 268,023.12 × 108,087.76
  4. Step 4: Simplify right side
    179,123.92x = 28,970,018,669.01
  5. Step 5: Solve for x
    x = 28,970,018,669.01/179,123.92
  6. Step 6: Final answer
    x = 161,731.71

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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.