Home / 129,610.26-193,930.38-92,256.30

Finding the Fourth Proportional to 129,610.26, 193,930.38 and 92,256.30

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Solution

The fourth proportional to 129,610.26, 193,930.38 and 92,256.30 is: 138,039.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,610.26 : 193,930.38 = 92,256.30 : x
  2. Step 2: Convert to fraction form
    129,610.26/193,930.38 = 92,256.30/x
  3. Step 3: Cross multiply
    129,610.26x = 193,930.38 × 92,256.30
  4. Step 4: Simplify right side
    129,610.26x = 17,891,299,316.39
  5. Step 5: Solve for x
    x = 17,891,299,316.39/129,610.26
  6. Step 6: Final answer
    x = 138,039.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.