Home / 234,132.50-323,105.12-126,704.76

Finding the Fourth Proportional to 234,132.50, 323,105.12 and 126,704.76

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Solution

The fourth proportional to 234,132.50, 323,105.12 and 126,704.76 is: 174,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,132.50 : 323,105.12 = 126,704.76 : x
  2. Step 2: Convert to fraction form
    234,132.50/323,105.12 = 126,704.76/x
  3. Step 3: Cross multiply
    234,132.50x = 323,105.12 × 126,704.76
  4. Step 4: Simplify right side
    234,132.50x = 40,938,956,684.37
  5. Step 5: Solve for x
    x = 40,938,956,684.37/234,132.50
  6. Step 6: Final answer
    x = 174,853.80

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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.