Home / 188,869.40-260,655.04-108,304.44

Finding the Fourth Proportional to 188,869.40, 260,655.04 and 108,304.44

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Solution

The fourth proportional to 188,869.40, 260,655.04 and 108,304.44 is: 149,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,869.40 : 260,655.04 = 108,304.44 : x
  2. Step 2: Convert to fraction form
    188,869.40/260,655.04 = 108,304.44/x
  3. Step 3: Cross multiply
    188,869.40x = 260,655.04 × 108,304.44
  4. Step 4: Simplify right side
    188,869.40x = 28,230,098,140.38
  5. Step 5: Solve for x
    x = 28,230,098,140.38/188,869.40
  6. Step 6: Final answer
    x = 149,468.88

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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.