Home / 198,216.14-273,538.44-107,572.11

Finding the Fourth Proportional to 198,216.14, 273,538.44 and 107,572.11

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Solution

The fourth proportional to 198,216.14, 273,538.44 and 107,572.11 is: 148,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,216.14 : 273,538.44 = 107,572.11 : x
  2. Step 2: Convert to fraction form
    198,216.14/273,538.44 = 107,572.11/x
  3. Step 3: Cross multiply
    198,216.14x = 273,538.44 × 107,572.11
  4. Step 4: Simplify right side
    198,216.14x = 29,425,107,156.91
  5. Step 5: Solve for x
    x = 29,425,107,156.91/198,216.14
  6. Step 6: Final answer
    x = 148,449.61

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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.