Home / 234,350.22-323,401.45-126,917.78

Finding the Fourth Proportional to 234,350.22, 323,401.45 and 126,917.78

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Solution

The fourth proportional to 234,350.22, 323,401.45 and 126,917.78 is: 175,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,350.22 : 323,401.45 = 126,917.78 : x
  2. Step 2: Convert to fraction form
    234,350.22/323,401.45 = 126,917.78/x
  3. Step 3: Cross multiply
    234,350.22x = 323,401.45 × 126,917.78
  4. Step 4: Simplify right side
    234,350.22x = 41,045,394,082.78
  5. Step 5: Solve for x
    x = 41,045,394,082.78/234,350.22
  6. Step 6: Final answer
    x = 175,145.53

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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.