Home / 198,454.24-273,867.20-107,810.56

Finding the Fourth Proportional to 198,454.24, 273,867.20 and 107,810.56

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Solution

The fourth proportional to 198,454.24, 273,867.20 and 107,810.56 is: 148,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,454.24 : 273,867.20 = 107,810.56 : x
  2. Step 2: Convert to fraction form
    198,454.24/273,867.20 = 107,810.56/x
  3. Step 3: Cross multiply
    198,454.24x = 273,867.20 × 107,810.56
  4. Step 4: Simplify right side
    198,454.24x = 29,525,776,197.63
  5. Step 5: Solve for x
    x = 29,525,776,197.63/198,454.24
  6. Step 6: Final answer
    x = 148,778.76

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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.