Home / 181,302.13-271,912.19-68,942.28

Finding the Fourth Proportional to 181,302.13, 271,912.19 and 68,942.28

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Solution

The fourth proportional to 181,302.13, 271,912.19 and 68,942.28 is: 103,397.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,302.13 : 271,912.19 = 68,942.28 : x
  2. Step 2: Convert to fraction form
    181,302.13/271,912.19 = 68,942.28/x
  3. Step 3: Cross multiply
    181,302.13x = 271,912.19 × 68,942.28
  4. Step 4: Simplify right side
    181,302.13x = 18,746,245,993.68
  5. Step 5: Solve for x
    x = 18,746,245,993.68/181,302.13
  6. Step 6: Final answer
    x = 103,397.83

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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.