Home / 234,100.11-323,057.12-126,672.05

Finding the Fourth Proportional to 234,100.11, 323,057.12 and 126,672.05

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Solution

The fourth proportional to 234,100.11, 323,057.12 and 126,672.05 is: 174,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,100.11 : 323,057.12 = 126,672.05 : x
  2. Step 2: Convert to fraction form
    234,100.11/323,057.12 = 126,672.05/x
  3. Step 3: Cross multiply
    234,100.11x = 323,057.12 × 126,672.05
  4. Step 4: Simplify right side
    234,100.11x = 40,922,305,408.85
  5. Step 5: Solve for x
    x = 40,922,305,408.85/234,100.11
  6. Step 6: Final answer
    x = 174,806.86

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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.