Home / 148,844.56-205,177.92-91,377.76

Finding the Fourth Proportional to 148,844.56, 205,177.92 and 91,377.76

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Solution

The fourth proportional to 148,844.56, 205,177.92 and 91,377.76 is: 125,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,844.56 : 205,177.92 = 91,377.76 : x
  2. Step 2: Convert to fraction form
    148,844.56/205,177.92 = 91,377.76/x
  3. Step 3: Cross multiply
    148,844.56x = 205,177.92 × 91,377.76
  4. Step 4: Simplify right side
    148,844.56x = 18,748,698,731.06
  5. Step 5: Solve for x
    x = 18,748,698,731.06/148,844.56
  6. Step 6: Final answer
    x = 125,961.60

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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.