Home / 193,119.36-266,508-108,231.36

Finding the Fourth Proportional to 193,119.36, 266,508 and 108,231.36

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Solution

The fourth proportional to 193,119.36, 266,508 and 108,231.36 is: 149,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,119.36 : 266,508 = 108,231.36 : x
  2. Step 2: Convert to fraction form
    193,119.36/266,508 = 108,231.36/x
  3. Step 3: Cross multiply
    193,119.36x = 266,508 × 108,231.36
  4. Step 4: Simplify right side
    193,119.36x = 28,844,523,290.88
  5. Step 5: Solve for x
    x = 28,844,523,290.88/193,119.36
  6. Step 6: Final answer
    x = 149,361.12

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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.