Home / 182,116.12-251,323.38-100,453.78

Finding the Fourth Proportional to 182,116.12, 251,323.38 and 100,453.78

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Solution

The fourth proportional to 182,116.12, 251,323.38 and 100,453.78 is: 138,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,116.12 : 251,323.38 = 100,453.78 : x
  2. Step 2: Convert to fraction form
    182,116.12/251,323.38 = 100,453.78/x
  3. Step 3: Cross multiply
    182,116.12x = 251,323.38 × 100,453.78
  4. Step 4: Simplify right side
    182,116.12x = 25,246,383,523.38
  5. Step 5: Solve for x
    x = 25,246,383,523.38/182,116.12
  6. Step 6: Final answer
    x = 138,627.95

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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.