Home / 226,471.80-339,756.06-76,706.92

Finding the Fourth Proportional to 226,471.80, 339,756.06 and 76,706.92

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Solution

The fourth proportional to 226,471.80, 339,756.06 and 76,706.92 is: 115,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,471.80 : 339,756.06 = 76,706.92 : x
  2. Step 2: Convert to fraction form
    226,471.80/339,756.06 = 76,706.92/x
  3. Step 3: Cross multiply
    226,471.80x = 339,756.06 × 76,706.92
  4. Step 4: Simplify right side
    226,471.80x = 26,061,640,913.94
  5. Step 5: Solve for x
    x = 26,061,640,913.94/226,471.80
  6. Step 6: Final answer
    x = 115,076.76

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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.