Home / 118,705.28-178,057.56-29,965.88

Finding the Fourth Proportional to 118,705.28, 178,057.56 and 29,965.88

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Solution

The fourth proportional to 118,705.28, 178,057.56 and 29,965.88 is: 44,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,705.28 : 178,057.56 = 29,965.88 : x
  2. Step 2: Convert to fraction form
    118,705.28/178,057.56 = 29,965.88/x
  3. Step 3: Cross multiply
    118,705.28x = 178,057.56 × 29,965.88
  4. Step 4: Simplify right side
    118,705.28x = 5,335,651,476.05
  5. Step 5: Solve for x
    x = 5,335,651,476.05/118,705.28
  6. Step 6: Final answer
    x = 44,948.73

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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.