Home / 194,612.85-268,565.76-109,729.92

Finding the Fourth Proportional to 194,612.85, 268,565.76 and 109,729.92

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Solution

The fourth proportional to 194,612.85, 268,565.76 and 109,729.92 is: 151,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,612.85 : 268,565.76 = 109,729.92 : x
  2. Step 2: Convert to fraction form
    194,612.85/268,565.76 = 109,729.92/x
  3. Step 3: Cross multiply
    194,612.85x = 268,565.76 × 109,729.92
  4. Step 4: Simplify right side
    194,612.85x = 29,469,699,359.54
  5. Step 5: Solve for x
    x = 29,469,699,359.54/194,612.85
  6. Step 6: Final answer
    x = 151,427.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.