Home / 198,462.20-273,878.16-107,818.52

Finding the Fourth Proportional to 198,462.20, 273,878.16 and 107,818.52

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Solution

The fourth proportional to 198,462.20, 273,878.16 and 107,818.52 is: 148,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,462.20 : 273,878.16 = 107,818.52 : x
  2. Step 2: Convert to fraction form
    198,462.20/273,878.16 = 107,818.52/x
  3. Step 3: Cross multiply
    198,462.20x = 273,878.16 × 107,818.52
  4. Step 4: Simplify right side
    198,462.20x = 29,529,137,871.52
  5. Step 5: Solve for x
    x = 29,529,137,871.52/198,462.20
  6. Step 6: Final answer
    x = 148,789.73

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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.