Home / 198,660.96-274,149.60-147,900.48

Finding the Fourth Proportional to 198,660.96, 274,149.60 and 147,900.48

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Solution

The fourth proportional to 198,660.96, 274,149.60 and 147,900.48 is: 204,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,660.96 : 274,149.60 = 147,900.48 : x
  2. Step 2: Convert to fraction form
    198,660.96/274,149.60 = 147,900.48/x
  3. Step 3: Cross multiply
    198,660.96x = 274,149.60 × 147,900.48
  4. Step 4: Simplify right side
    198,660.96x = 40,546,857,431.81
  5. Step 5: Solve for x
    x = 40,546,857,431.81/198,660.96
  6. Step 6: Final answer
    x = 204,100.78

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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.