Home / 181,190.12-271,729.79-86,370.30

Finding the Fourth Proportional to 181,190.12, 271,729.79 and 86,370.30

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Solution

The fourth proportional to 181,190.12, 271,729.79 and 86,370.30 is: 129,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,190.12 : 271,729.79 = 86,370.30 : x
  2. Step 2: Convert to fraction form
    181,190.12/271,729.79 = 86,370.30/x
  3. Step 3: Cross multiply
    181,190.12x = 271,729.79 × 86,370.30
  4. Step 4: Simplify right side
    181,190.12x = 23,469,383,373.27
  5. Step 5: Solve for x
    x = 23,469,383,373.27/181,190.12
  6. Step 6: Final answer
    x = 129,529.05

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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.