Home / 234,141.63-323,115.48-126,711.69

Finding the Fourth Proportional to 234,141.63, 323,115.48 and 126,711.69

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Solution

The fourth proportional to 234,141.63, 323,115.48 and 126,711.69 is: 174,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,141.63 : 323,115.48 = 126,711.69 : x
  2. Step 2: Convert to fraction form
    234,141.63/323,115.48 = 126,711.69/x
  3. Step 3: Cross multiply
    234,141.63x = 323,115.48 × 126,711.69
  4. Step 4: Simplify right side
    234,141.63x = 40,942,508,535.96
  5. Step 5: Solve for x
    x = 40,942,508,535.96/234,141.63
  6. Step 6: Final answer
    x = 174,862.15

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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.