Home / 217,795.68-328,309.52-198,876.96

Finding the Fourth Proportional to 217,795.68, 328,309.52 and 198,876.96

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Solution

The fourth proportional to 217,795.68, 328,309.52 and 198,876.96 is: 299,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,795.68 : 328,309.52 = 198,876.96 : x
  2. Step 2: Convert to fraction form
    217,795.68/328,309.52 = 198,876.96/x
  3. Step 3: Cross multiply
    217,795.68x = 328,309.52 × 198,876.96
  4. Step 4: Simplify right side
    217,795.68x = 65,293,198,282.27
  5. Step 5: Solve for x
    x = 65,293,198,282.27/217,795.68
  6. Step 6: Final answer
    x = 299,791.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.