Home / 198,291.88-273,625.86-113,395.24

Finding the Fourth Proportional to 198,291.88, 273,625.86 and 113,395.24

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Solution

The fourth proportional to 198,291.88, 273,625.86 and 113,395.24 is: 156,475.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,291.88 : 273,625.86 = 113,395.24 : x
  2. Step 2: Convert to fraction form
    198,291.88/273,625.86 = 113,395.24/x
  3. Step 3: Cross multiply
    198,291.88x = 273,625.86 × 113,395.24
  4. Step 4: Simplify right side
    198,291.88x = 31,027,870,064.91
  5. Step 5: Solve for x
    x = 31,027,870,064.91/198,291.88
  6. Step 6: Final answer
    x = 156,475.75

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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.