Home / 192,731.70-288,974.22-92,692.65

Finding the Fourth Proportional to 192,731.70, 288,974.22 and 92,692.65

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Solution

The fourth proportional to 192,731.70, 288,974.22 and 92,692.65 is: 138,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,731.70 : 288,974.22 = 92,692.65 : x
  2. Step 2: Convert to fraction form
    192,731.70/288,974.22 = 92,692.65/x
  3. Step 3: Cross multiply
    192,731.70x = 288,974.22 × 92,692.65
  4. Step 4: Simplify right side
    192,731.70x = 26,785,786,233.48
  5. Step 5: Solve for x
    x = 26,785,786,233.48/192,731.70
  6. Step 6: Final answer
    x = 138,979.66

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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.