Home / 127,439.97-191,147.58-38,694.24

Finding the Fourth Proportional to 127,439.97, 191,147.58 and 38,694.24

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Solution

The fourth proportional to 127,439.97, 191,147.58 and 38,694.24 is: 58,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,439.97 : 191,147.58 = 38,694.24 : x
  2. Step 2: Convert to fraction form
    127,439.97/191,147.58 = 38,694.24/x
  3. Step 3: Cross multiply
    127,439.97x = 191,147.58 × 38,694.24
  4. Step 4: Simplify right side
    127,439.97x = 7,396,310,335.94
  5. Step 5: Solve for x
    x = 7,396,310,335.94/127,439.97
  6. Step 6: Final answer
    x = 58,037.60

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1.5x scale

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.