Home / 126,996.12-175,255.11-69,636.33

Finding the Fourth Proportional to 126,996.12, 175,255.11 and 69,636.33

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Solution

The fourth proportional to 126,996.12, 175,255.11 and 69,636.33 is: 96,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,996.12 : 175,255.11 = 69,636.33 : x
  2. Step 2: Convert to fraction form
    126,996.12/175,255.11 = 69,636.33/x
  3. Step 3: Cross multiply
    126,996.12x = 175,255.11 × 69,636.33
  4. Step 4: Simplify right side
    126,996.12x = 12,204,122,674.15
  5. Step 5: Solve for x
    x = 12,204,122,674.15/126,996.12
  6. Step 6: Final answer
    x = 96,098.39

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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.