Home / 321,824.30-482,893.24-132,341.60

Finding the Fourth Proportional to 321,824.30, 482,893.24 and 132,341.60

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Solution

The fourth proportional to 321,824.30, 482,893.24 and 132,341.60 is: 198,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,824.30 : 482,893.24 = 132,341.60 : x
  2. Step 2: Convert to fraction form
    321,824.30/482,893.24 = 132,341.60/x
  3. Step 3: Cross multiply
    321,824.30x = 482,893.24 × 132,341.60
  4. Step 4: Simplify right side
    321,824.30x = 63,906,864,010.78
  5. Step 5: Solve for x
    x = 63,906,864,010.78/321,824.30
  6. Step 6: Final answer
    x = 198,576.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.