Home / 178,836.72-268,296.57-52,471.86

Finding the Fourth Proportional to 178,836.72, 268,296.57 and 52,471.86

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Solution

The fourth proportional to 178,836.72, 268,296.57 and 52,471.86 is: 78,719.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,836.72 : 268,296.57 = 52,471.86 : x
  2. Step 2: Convert to fraction form
    178,836.72/268,296.57 = 52,471.86/x
  3. Step 3: Cross multiply
    178,836.72x = 268,296.57 × 52,471.86
  4. Step 4: Simplify right side
    178,836.72x = 14,078,020,059.52
  5. Step 5: Solve for x
    x = 14,078,020,059.52/178,836.72
  6. Step 6: Final answer
    x = 78,719.96

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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.