Home / 126,694.48-190,125.60-67,572.76

Finding the Fourth Proportional to 126,694.48, 190,125.60 and 67,572.76

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Solution

The fourth proportional to 126,694.48, 190,125.60 and 67,572.76 is: 101,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,694.48 : 190,125.60 = 67,572.76 : x
  2. Step 2: Convert to fraction form
    126,694.48/190,125.60 = 67,572.76/x
  3. Step 3: Cross multiply
    126,694.48x = 190,125.60 × 67,572.76
  4. Step 4: Simplify right side
    126,694.48x = 12,847,311,538.66
  5. Step 5: Solve for x
    x = 12,847,311,538.66/126,694.48
  6. Step 6: Final answer
    x = 101,403.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.