Home / 181,221.57-271,832.54-68,875.38

Finding the Fourth Proportional to 181,221.57, 271,832.54 and 68,875.38

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Solution

The fourth proportional to 181,221.57, 271,832.54 and 68,875.38 is: 103,313.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,221.57 : 271,832.54 = 68,875.38 : x
  2. Step 2: Convert to fraction form
    181,221.57/271,832.54 = 68,875.38/x
  3. Step 3: Cross multiply
    181,221.57x = 271,832.54 × 68,875.38
  4. Step 4: Simplify right side
    181,221.57x = 18,722,569,144.49
  5. Step 5: Solve for x
    x = 18,722,569,144.49/181,221.57
  6. Step 6: Final answer
    x = 103,313.14

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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.