Home / 198,350.10-273,654.60-126,772.02

Finding the Fourth Proportional to 198,350.10, 273,654.60 and 126,772.02

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Solution

The fourth proportional to 198,350.10, 273,654.60 and 126,772.02 is: 174,901.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,350.10 : 273,654.60 = 126,772.02 : x
  2. Step 2: Convert to fraction form
    198,350.10/273,654.60 = 126,772.02/x
  3. Step 3: Cross multiply
    198,350.10x = 273,654.60 × 126,772.02
  4. Step 4: Simplify right side
    198,350.10x = 34,691,746,424.29
  5. Step 5: Solve for x
    x = 34,691,746,424.29/198,350.10
  6. Step 6: Final answer
    x = 174,901.58

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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.