Home / 234,177.12-323,165.28-126,748.56

Finding the Fourth Proportional to 234,177.12, 323,165.28 and 126,748.56

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Solution

The fourth proportional to 234,177.12, 323,165.28 and 126,748.56 is: 174,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,177.12 : 323,165.28 = 126,748.56 : x
  2. Step 2: Convert to fraction form
    234,177.12/323,165.28 = 126,748.56/x
  3. Step 3: Cross multiply
    234,177.12x = 323,165.28 × 126,748.56
  4. Step 4: Simplify right side
    234,177.12x = 40,960,733,882.00
  5. Step 5: Solve for x
    x = 40,960,733,882.00/234,177.12
  6. Step 6: Final answer
    x = 174,913.48

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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.