Home / 234,301.68-323,339-126,874.16

Finding the Fourth Proportional to 234,301.68, 323,339 and 126,874.16

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Solution

The fourth proportional to 234,301.68, 323,339 and 126,874.16 is: 175,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,301.68 : 323,339 = 126,874.16 : x
  2. Step 2: Convert to fraction form
    234,301.68/323,339 = 126,874.16/x
  3. Step 3: Cross multiply
    234,301.68x = 323,339 × 126,874.16
  4. Step 4: Simplify right side
    234,301.68x = 41,023,364,020.24
  5. Step 5: Solve for x
    x = 41,023,364,020.24/234,301.68
  6. Step 6: Final answer
    x = 175,087.79

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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.