Home / 119,306.95-178,956.32-30,561.22

Finding the Fourth Proportional to 119,306.95, 178,956.32 and 30,561.22

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Solution

The fourth proportional to 119,306.95, 178,956.32 and 30,561.22 is: 45,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,306.95 : 178,956.32 = 30,561.22 : x
  2. Step 2: Convert to fraction form
    119,306.95/178,956.32 = 30,561.22/x
  3. Step 3: Cross multiply
    119,306.95x = 178,956.32 × 30,561.22
  4. Step 4: Simplify right side
    119,306.95x = 5,469,123,465.91
  5. Step 5: Solve for x
    x = 5,469,123,465.91/119,306.95
  6. Step 6: Final answer
    x = 45,840.78

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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.