Home / 193,003.20-266,331.78-108,118.44

Finding the Fourth Proportional to 193,003.20, 266,331.78 and 108,118.44

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Solution

The fourth proportional to 193,003.20, 266,331.78 and 108,118.44 is: 149,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,003.20 : 266,331.78 = 108,118.44 : x
  2. Step 2: Convert to fraction form
    193,003.20/266,331.78 = 108,118.44/x
  3. Step 3: Cross multiply
    193,003.20x = 266,331.78 × 108,118.44
  4. Step 4: Simplify right side
    193,003.20x = 28,795,376,576.02
  5. Step 5: Solve for x
    x = 28,795,376,576.02/193,003.20
  6. Step 6: Final answer
    x = 149,196.37

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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.