Home / 412,138.45-568,744.35-230,849.92

Finding the Fourth Proportional to 412,138.45, 568,744.35 and 230,849.92

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Solution

The fourth proportional to 412,138.45, 568,744.35 and 230,849.92 is: 318,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,138.45 : 568,744.35 = 230,849.92 : x
  2. Step 2: Convert to fraction form
    412,138.45/568,744.35 = 230,849.92/x
  3. Step 3: Cross multiply
    412,138.45x = 568,744.35 × 230,849.92
  4. Step 4: Simplify right side
    412,138.45x = 131,294,584,854.23
  5. Step 5: Solve for x
    x = 131,294,584,854.23/412,138.45
  6. Step 6: Final answer
    x = 318,569.13

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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.