Home / 217,592.86-300,273.38-120,791.14

Finding the Fourth Proportional to 217,592.86, 300,273.38 and 120,791.14

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Solution

The fourth proportional to 217,592.86, 300,273.38 and 120,791.14 is: 166,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,592.86 : 300,273.38 = 120,791.14 : x
  2. Step 2: Convert to fraction form
    217,592.86/300,273.38 = 120,791.14/x
  3. Step 3: Cross multiply
    217,592.86x = 300,273.38 × 120,791.14
  4. Step 4: Simplify right side
    217,592.86x = 36,270,363,881.85
  5. Step 5: Solve for x
    x = 36,270,363,881.85/217,592.86
  6. Step 6: Final answer
    x = 166,689.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.