Home / 198,437.90-273,849.22-107,793.84

Finding the Fourth Proportional to 198,437.90, 273,849.22 and 107,793.84

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Solution

The fourth proportional to 198,437.90, 273,849.22 and 107,793.84 is: 148,758.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,437.90 : 273,849.22 = 107,793.84 : x
  2. Step 2: Convert to fraction form
    198,437.90/273,849.22 = 107,793.84/x
  3. Step 3: Cross multiply
    198,437.90x = 273,849.22 × 107,793.84
  4. Step 4: Simplify right side
    198,437.90x = 29,519,259,004.80
  5. Step 5: Solve for x
    x = 29,519,259,004.80/198,437.90
  6. Step 6: Final answer
    x = 148,758.17

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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.