Home / 234,354.26-323,407.27-126,921.83

Finding the Fourth Proportional to 234,354.26, 323,407.27 and 126,921.83

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Solution

The fourth proportional to 234,354.26, 323,407.27 and 126,921.83 is: 175,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,354.26 : 323,407.27 = 126,921.83 : x
  2. Step 2: Convert to fraction form
    234,354.26/323,407.27 = 126,921.83/x
  3. Step 3: Cross multiply
    234,354.26x = 323,407.27 × 126,921.83
  4. Step 4: Simplify right side
    234,354.26x = 41,047,441,909.10
  5. Step 5: Solve for x
    x = 41,047,441,909.10/234,354.26
  6. Step 6: Final answer
    x = 175,151.26

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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.