Home / 181,117.27-271,667.13-68,788.72

Finding the Fourth Proportional to 181,117.27, 271,667.13 and 68,788.72

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Solution

The fourth proportional to 181,117.27, 271,667.13 and 68,788.72 is: 103,179.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,117.27 : 271,667.13 = 68,788.72 : x
  2. Step 2: Convert to fraction form
    181,117.27/271,667.13 = 68,788.72/x
  3. Step 3: Cross multiply
    181,117.27x = 271,667.13 × 68,788.72
  4. Step 4: Simplify right side
    181,117.27x = 18,687,632,436.49
  5. Step 5: Solve for x
    x = 18,687,632,436.49/181,117.27
  6. Step 6: Final answer
    x = 103,179.74

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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.