Home / 193,519.20-267,056.76-108,636.87

Finding the Fourth Proportional to 193,519.20, 267,056.76 and 108,636.87

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Solution

The fourth proportional to 193,519.20, 267,056.76 and 108,636.87 is: 149,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,519.20 : 267,056.76 = 108,636.87 : x
  2. Step 2: Convert to fraction form
    193,519.20/267,056.76 = 108,636.87/x
  3. Step 3: Cross multiply
    193,519.20x = 267,056.76 × 108,636.87
  4. Step 4: Simplify right side
    193,519.20x = 29,012,209,517.28
  5. Step 5: Solve for x
    x = 29,012,209,517.28/193,519.20
  6. Step 6: Final answer
    x = 149,919.03

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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.