Home / 169,633.43-254,062.60-80,949.23

Finding the Fourth Proportional to 169,633.43, 254,062.60 and 80,949.23

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Solution

The fourth proportional to 169,633.43, 254,062.60 and 80,949.23 is: 121,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,633.43 : 254,062.60 = 80,949.23 : x
  2. Step 2: Convert to fraction form
    169,633.43/254,062.60 = 80,949.23/x
  3. Step 3: Cross multiply
    169,633.43x = 254,062.60 × 80,949.23
  4. Step 4: Simplify right side
    169,633.43x = 20,566,170,369.11
  5. Step 5: Solve for x
    x = 20,566,170,369.11/169,633.43
  6. Step 6: Final answer
    x = 121,238.90

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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.