Home / 126,873.91-175,104.64-73,148.41

Finding the Fourth Proportional to 126,873.91, 175,104.64 and 73,148.41

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Solution

The fourth proportional to 126,873.91, 175,104.64 and 73,148.41 is: 100,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,873.91 : 175,104.64 = 73,148.41 : x
  2. Step 2: Convert to fraction form
    126,873.91/175,104.64 = 73,148.41/x
  3. Step 3: Cross multiply
    126,873.91x = 175,104.64 × 73,148.41
  4. Step 4: Simplify right side
    126,873.91x = 12,808,625,999.62
  5. Step 5: Solve for x
    x = 12,808,625,999.62/126,873.91
  6. Step 6: Final answer
    x = 100,955.56

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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.