Home / 220,834.17-331,256.70-80,592.75

Finding the Fourth Proportional to 220,834.17, 331,256.70 and 80,592.75

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Solution

The fourth proportional to 220,834.17, 331,256.70 and 80,592.75 is: 120,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,834.17 : 331,256.70 = 80,592.75 : x
  2. Step 2: Convert to fraction form
    220,834.17/331,256.70 = 80,592.75/x
  3. Step 3: Cross multiply
    220,834.17x = 331,256.70 × 80,592.75
  4. Step 4: Simplify right side
    220,834.17x = 26,696,888,408.93
  5. Step 5: Solve for x
    x = 26,696,888,408.93/220,834.17
  6. Step 6: Final answer
    x = 120,891.11

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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.