Home / 321,825.72-482,895.39-132,343.04

Finding the Fourth Proportional to 321,825.72, 482,895.39 and 132,343.04

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Solution

The fourth proportional to 321,825.72, 482,895.39 and 132,343.04 is: 198,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,825.72 : 482,895.39 = 132,343.04 : x
  2. Step 2: Convert to fraction form
    321,825.72/482,895.39 = 132,343.04/x
  3. Step 3: Cross multiply
    321,825.72x = 482,895.39 × 132,343.04
  4. Step 4: Simplify right side
    321,825.72x = 63,907,841,500.11
  5. Step 5: Solve for x
    x = 63,907,841,500.11/321,825.72
  6. Step 6: Final answer
    x = 198,579.04

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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.