Home / 198,424.18-273,796.65-113,525.38

Finding the Fourth Proportional to 198,424.18, 273,796.65 and 113,525.38

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Solution

The fourth proportional to 198,424.18, 273,796.65 and 113,525.38 is: 156,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,424.18 : 273,796.65 = 113,525.38 : x
  2. Step 2: Convert to fraction form
    198,424.18/273,796.65 = 113,525.38/x
  3. Step 3: Cross multiply
    198,424.18x = 273,796.65 × 113,525.38
  4. Step 4: Simplify right side
    198,424.18x = 31,082,868,733.98
  5. Step 5: Solve for x
    x = 31,082,868,733.98/198,424.18
  6. Step 6: Final answer
    x = 156,648.59

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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.