Home / 126,272.76-174,260.46-71,823.53

Finding the Fourth Proportional to 126,272.76, 174,260.46 and 71,823.53

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Solution

The fourth proportional to 126,272.76, 174,260.46 and 71,823.53 is: 99,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,272.76 : 174,260.46 = 71,823.53 : x
  2. Step 2: Convert to fraction form
    126,272.76/174,260.46 = 71,823.53/x
  3. Step 3: Cross multiply
    126,272.76x = 174,260.46 × 71,823.53
  4. Step 4: Simplify right side
    126,272.76x = 12,516,001,468.98
  5. Step 5: Solve for x
    x = 12,516,001,468.98/126,272.76
  6. Step 6: Final answer
    x = 99,118.78

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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.