Home / 237,691.20-327,960.64-135,684.16

Finding the Fourth Proportional to 237,691.20, 327,960.64 and 135,684.16

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Solution

The fourth proportional to 237,691.20, 327,960.64 and 135,684.16 is: 187,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,691.20 : 327,960.64 = 135,684.16 : x
  2. Step 2: Convert to fraction form
    237,691.20/327,960.64 = 135,684.16/x
  3. Step 3: Cross multiply
    237,691.20x = 327,960.64 × 135,684.16
  4. Step 4: Simplify right side
    237,691.20x = 44,499,063,951.46
  5. Step 5: Solve for x
    x = 44,499,063,951.46/237,691.20
  6. Step 6: Final answer
    x = 187,213.76

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1.5x scale

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.