Home / 218,635.38-327,607.65-165,073.86

Finding the Fourth Proportional to 218,635.38, 327,607.65 and 165,073.86

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Solution

The fourth proportional to 218,635.38, 327,607.65 and 165,073.86 is: 247,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,635.38 : 327,607.65 = 165,073.86 : x
  2. Step 2: Convert to fraction form
    218,635.38/327,607.65 = 165,073.86/x
  3. Step 3: Cross multiply
    218,635.38x = 327,607.65 × 165,073.86
  4. Step 4: Simplify right side
    218,635.38x = 54,079,459,351.03
  5. Step 5: Solve for x
    x = 54,079,459,351.03/218,635.38
  6. Step 6: Final answer
    x = 247,349.99

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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.