Home / 126,738.97-174,908.24-73,027.46

Finding the Fourth Proportional to 126,738.97, 174,908.24 and 73,027.46

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Solution

The fourth proportional to 126,738.97, 174,908.24 and 73,027.46 is: 100,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,738.97 : 174,908.24 = 73,027.46 : x
  2. Step 2: Convert to fraction form
    126,738.97/174,908.24 = 73,027.46/x
  3. Step 3: Cross multiply
    126,738.97x = 174,908.24 × 73,027.46
  4. Step 4: Simplify right side
    126,738.97x = 12,773,105,120.11
  5. Step 5: Solve for x
    x = 12,773,105,120.11/126,738.97
  6. Step 6: Final answer
    x = 100,782.78

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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.