Home / 198,174.24-273,475.44-109,766.64

Finding the Fourth Proportional to 198,174.24, 273,475.44 and 109,766.64

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Solution

The fourth proportional to 198,174.24, 273,475.44 and 109,766.64 is: 151,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,174.24 : 273,475.44 = 109,766.64 : x
  2. Step 2: Convert to fraction form
    198,174.24/273,475.44 = 109,766.64/x
  3. Step 3: Cross multiply
    198,174.24x = 273,475.44 × 109,766.64
  4. Step 4: Simplify right side
    198,174.24x = 30,018,480,171.32
  5. Step 5: Solve for x
    x = 30,018,480,171.32/198,174.24
  6. Step 6: Final answer
    x = 151,475.19

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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.