Home / 126,965.52-190,535.92-43,859.52

Finding the Fourth Proportional to 126,965.52, 190,535.92 and 43,859.52

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Solution

The fourth proportional to 126,965.52, 190,535.92 and 43,859.52 is: 65,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,965.52 : 190,535.92 = 43,859.52 : x
  2. Step 2: Convert to fraction form
    126,965.52/190,535.92 = 43,859.52/x
  3. Step 3: Cross multiply
    126,965.52x = 190,535.92 × 43,859.52
  4. Step 4: Simplify right side
    126,965.52x = 8,356,813,884.31
  5. Step 5: Solve for x
    x = 8,356,813,884.31/126,965.52
  6. Step 6: Final answer
    x = 65,819.55

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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.