Home / 217,902.66-326,872.80-60,131.09

Finding the Fourth Proportional to 217,902.66, 326,872.80 and 60,131.09

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Solution

The fourth proportional to 217,902.66, 326,872.80 and 60,131.09 is: 90,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,902.66 : 326,872.80 = 60,131.09 : x
  2. Step 2: Convert to fraction form
    217,902.66/326,872.80 = 60,131.09/x
  3. Step 3: Cross multiply
    217,902.66x = 326,872.80 × 60,131.09
  4. Step 4: Simplify right side
    217,902.66x = 19,655,218,572.53
  5. Step 5: Solve for x
    x = 19,655,218,572.53/217,902.66
  6. Step 6: Final answer
    x = 90,201.83

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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.