Home / 234,153.38-323,131.65-126,723.44

Finding the Fourth Proportional to 234,153.38, 323,131.65 and 126,723.44

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Solution

The fourth proportional to 234,153.38, 323,131.65 and 126,723.44 is: 174,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,153.38 : 323,131.65 = 126,723.44 : x
  2. Step 2: Convert to fraction form
    234,153.38/323,131.65 = 126,723.44/x
  3. Step 3: Cross multiply
    234,153.38x = 323,131.65 × 126,723.44
  4. Step 4: Simplify right side
    234,153.38x = 40,948,352,775.88
  5. Step 5: Solve for x
    x = 40,948,352,775.88/234,153.38
  6. Step 6: Final answer
    x = 174,878.33

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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.