Home / 220,769.82-331,178.42-94,423.19

Finding the Fourth Proportional to 220,769.82, 331,178.42 and 94,423.19

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Solution

The fourth proportional to 220,769.82, 331,178.42 and 94,423.19 is: 141,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,769.82 : 331,178.42 = 94,423.19 : x
  2. Step 2: Convert to fraction form
    220,769.82/331,178.42 = 94,423.19/x
  3. Step 3: Cross multiply
    220,769.82x = 331,178.42 × 94,423.19
  4. Step 4: Simplify right side
    220,769.82x = 31,270,921,455.73
  5. Step 5: Solve for x
    x = 31,270,921,455.73/220,769.82
  6. Step 6: Final answer
    x = 141,644.91

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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.