Home / 198,277.88-273,628.46-107,633.87

Finding the Fourth Proportional to 198,277.88, 273,628.46 and 107,633.87

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Solution

The fourth proportional to 198,277.88, 273,628.46 and 107,633.87 is: 148,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,277.88 : 273,628.46 = 107,633.87 : x
  2. Step 2: Convert to fraction form
    198,277.88/273,628.46 = 107,633.87/x
  3. Step 3: Cross multiply
    198,277.88x = 273,628.46 × 107,633.87
  4. Step 4: Simplify right side
    198,277.88x = 29,451,690,091.94
  5. Step 5: Solve for x
    x = 29,451,690,091.94/198,277.88
  6. Step 6: Final answer
    x = 148,537.45

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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.