Home / 198,077.16-273,365.16-113,177.76

Finding the Fourth Proportional to 198,077.16, 273,365.16 and 113,177.76

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Solution

The fourth proportional to 198,077.16, 273,365.16 and 113,177.76 is: 156,195.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,077.16 : 273,365.16 = 113,177.76 : x
  2. Step 2: Convert to fraction form
    198,077.16/273,365.16 = 113,177.76/x
  3. Step 3: Cross multiply
    198,077.16x = 273,365.16 × 113,177.76
  4. Step 4: Simplify right side
    198,077.16x = 30,938,856,470.84
  5. Step 5: Solve for x
    x = 30,938,856,470.84/198,077.16
  6. Step 6: Final answer
    x = 156,195.98

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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.