Home / 111,429.60-167,198.96-55,275.04

Finding the Fourth Proportional to 111,429.60, 167,198.96 and 55,275.04

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Solution

The fourth proportional to 111,429.60, 167,198.96 and 55,275.04 is: 82,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,429.60 : 167,198.96 = 55,275.04 : x
  2. Step 2: Convert to fraction form
    111,429.60/167,198.96 = 55,275.04/x
  3. Step 3: Cross multiply
    111,429.60x = 167,198.96 × 55,275.04
  4. Step 4: Simplify right side
    111,429.60x = 9,241,929,201.96
  5. Step 5: Solve for x
    x = 9,241,929,201.96/111,429.60
  6. Step 6: Final answer
    x = 82,939.62

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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.