Home / 111,747.24-167,731.02-82,081.80

Finding the Fourth Proportional to 111,747.24, 167,731.02 and 82,081.80

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Solution

The fourth proportional to 111,747.24, 167,731.02 and 82,081.80 is: 123,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,747.24 : 167,731.02 = 82,081.80 : x
  2. Step 2: Convert to fraction form
    111,747.24/167,731.02 = 82,081.80/x
  3. Step 3: Cross multiply
    111,747.24x = 167,731.02 × 82,081.80
  4. Step 4: Simplify right side
    111,747.24x = 13,767,664,037.44
  5. Step 5: Solve for x
    x = 13,767,664,037.44/111,747.24
  6. Step 6: Final answer
    x = 123,203.62

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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.