Home / 126,906.22-175,148.97-73,180.54

Finding the Fourth Proportional to 126,906.22, 175,148.97 and 73,180.54

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Solution

The fourth proportional to 126,906.22, 175,148.97 and 73,180.54 is: 100,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,906.22 : 175,148.97 = 73,180.54 : x
  2. Step 2: Convert to fraction form
    126,906.22/175,148.97 = 73,180.54/x
  3. Step 3: Cross multiply
    126,906.22x = 175,148.97 × 73,180.54
  4. Step 4: Simplify right side
    126,906.22x = 12,817,495,329.30
  5. Step 5: Solve for x
    x = 12,817,495,329.30/126,906.22
  6. Step 6: Final answer
    x = 100,999.74

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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.