Home / 234,138.11-323,110.55-126,708.14

Finding the Fourth Proportional to 234,138.11, 323,110.55 and 126,708.14

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Solution

The fourth proportional to 234,138.11, 323,110.55 and 126,708.14 is: 174,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,138.11 : 323,110.55 = 126,708.14 : x
  2. Step 2: Convert to fraction form
    234,138.11/323,110.55 = 126,708.14/x
  3. Step 3: Cross multiply
    234,138.11x = 323,110.55 × 126,708.14
  4. Step 4: Simplify right side
    234,138.11x = 40,940,734,555.78
  5. Step 5: Solve for x
    x = 40,940,734,555.78/234,138.11
  6. Step 6: Final answer
    x = 174,857.20

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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.