Home / 193,519.45-267,057.11-108,637.12

Finding the Fourth Proportional to 193,519.45, 267,057.11 and 108,637.12

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Solution

The fourth proportional to 193,519.45, 267,057.11 and 108,637.12 is: 149,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,519.45 : 267,057.11 = 108,637.12 : x
  2. Step 2: Convert to fraction form
    193,519.45/267,057.11 = 108,637.12/x
  3. Step 3: Cross multiply
    193,519.45x = 267,057.11 × 108,637.12
  4. Step 4: Simplify right side
    193,519.45x = 29,012,314,095.09
  5. Step 5: Solve for x
    x = 29,012,314,095.09/193,519.45
  6. Step 6: Final answer
    x = 149,919.37

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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.