Home / 234,418.28-323,498.80-126,988.32

Finding the Fourth Proportional to 234,418.28, 323,498.80 and 126,988.32

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Solution

The fourth proportional to 234,418.28, 323,498.80 and 126,988.32 is: 175,244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,418.28 : 323,498.80 = 126,988.32 : x
  2. Step 2: Convert to fraction form
    234,418.28/323,498.80 = 126,988.32/x
  3. Step 3: Cross multiply
    234,418.28x = 323,498.80 × 126,988.32
  4. Step 4: Simplify right side
    234,418.28x = 41,080,569,134.02
  5. Step 5: Solve for x
    x = 41,080,569,134.02/234,418.28
  6. Step 6: Final answer
    x = 175,244.73

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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.