Home / 187,694.96-259,023.24-107,120.88

Finding the Fourth Proportional to 187,694.96, 259,023.24 and 107,120.88

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Solution

The fourth proportional to 187,694.96, 259,023.24 and 107,120.88 is: 147,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,694.96 : 259,023.24 = 107,120.88 : x
  2. Step 2: Convert to fraction form
    187,694.96/259,023.24 = 107,120.88/x
  3. Step 3: Cross multiply
    187,694.96x = 259,023.24 × 107,120.88
  4. Step 4: Simplify right side
    187,694.96x = 27,746,797,409.25
  5. Step 5: Solve for x
    x = 27,746,797,409.25/187,694.96
  6. Step 6: Final answer
    x = 147,829.21

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1.5x scale

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.