Home / 234,432.12-323,517.12-127,001.80

Finding the Fourth Proportional to 234,432.12, 323,517.12 and 127,001.80

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Solution

The fourth proportional to 234,432.12, 323,517.12 and 127,001.80 is: 175,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,432.12 : 323,517.12 = 127,001.80 : x
  2. Step 2: Convert to fraction form
    234,432.12/323,517.12 = 127,001.80/x
  3. Step 3: Cross multiply
    234,432.12x = 323,517.12 × 127,001.80
  4. Step 4: Simplify right side
    234,432.12x = 41,087,256,570.82
  5. Step 5: Solve for x
    x = 41,087,256,570.82/234,432.12
  6. Step 6: Final answer
    x = 175,262.91

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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.