Home / 237,142.17-327,249.24-129,709.88

Finding the Fourth Proportional to 237,142.17, 327,249.24 and 129,709.88

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Solution

The fourth proportional to 237,142.17, 327,249.24 and 129,709.88 is: 178,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,142.17 : 327,249.24 = 129,709.88 : x
  2. Step 2: Convert to fraction form
    237,142.17/327,249.24 = 129,709.88/x
  3. Step 3: Cross multiply
    237,142.17x = 327,249.24 × 129,709.88
  4. Step 4: Simplify right side
    237,142.17x = 42,447,460,711.82
  5. Step 5: Solve for x
    x = 42,447,460,711.82/237,142.17
  6. Step 6: Final answer
    x = 178,995.83

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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.