Home / 198,402.99-273,796.90-107,760.46

Finding the Fourth Proportional to 198,402.99, 273,796.90 and 107,760.46

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Solution

The fourth proportional to 198,402.99, 273,796.90 and 107,760.46 is: 148,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,402.99 : 273,796.90 = 107,760.46 : x
  2. Step 2: Convert to fraction form
    198,402.99/273,796.90 = 107,760.46/x
  3. Step 3: Cross multiply
    198,402.99x = 273,796.90 × 107,760.46
  4. Step 4: Simplify right side
    198,402.99x = 29,504,479,890.57
  5. Step 5: Solve for x
    x = 29,504,479,890.57/198,402.99
  6. Step 6: Final answer
    x = 148,709.86

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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.