Home / 220,681.20-331,101.96-108,349.44

Finding the Fourth Proportional to 220,681.20, 331,101.96 and 108,349.44

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Solution

The fourth proportional to 220,681.20, 331,101.96 and 108,349.44 is: 162,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,681.20 : 331,101.96 = 108,349.44 : x
  2. Step 2: Convert to fraction form
    220,681.20/331,101.96 = 108,349.44/x
  3. Step 3: Cross multiply
    220,681.20x = 331,101.96 × 108,349.44
  4. Step 4: Simplify right side
    220,681.20x = 35,874,711,948.90
  5. Step 5: Solve for x
    x = 35,874,711,948.90/220,681.20
  6. Step 6: Final answer
    x = 162,563.52

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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.