Home / 198,475.19-273,908.00-113,590.43

Finding the Fourth Proportional to 198,475.19, 273,908.00 and 113,590.43

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Solution

The fourth proportional to 198,475.19, 273,908.00 and 113,590.43 is: 156,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,475.19 : 273,908.00 = 113,590.43 : x
  2. Step 2: Convert to fraction form
    198,475.19/273,908.00 = 113,590.43/x
  3. Step 3: Cross multiply
    198,475.19x = 273,908.00 × 113,590.43
  4. Step 4: Simplify right side
    198,475.19x = 31,113,326,414.88
  5. Step 5: Solve for x
    x = 31,113,326,414.88/198,475.19
  6. Step 6: Final answer
    x = 156,761.80

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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.