Home / 126,338.22-174,342.17-68,976.49

Finding the Fourth Proportional to 126,338.22, 174,342.17 and 68,976.49

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Solution

The fourth proportional to 126,338.22, 174,342.17 and 68,976.49 is: 95,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,338.22 : 174,342.17 = 68,976.49 : x
  2. Step 2: Convert to fraction form
    126,338.22/174,342.17 = 68,976.49/x
  3. Step 3: Cross multiply
    126,338.22x = 174,342.17 × 68,976.49
  4. Step 4: Simplify right side
    126,338.22x = 12,025,511,070.35
  5. Step 5: Solve for x
    x = 12,025,511,070.35/126,338.22
  6. Step 6: Final answer
    x = 95,185.06

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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.