Home / 148,786.80-223,192.34-69,857.97

Finding the Fourth Proportional to 148,786.80, 223,192.34 and 69,857.97

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Solution

The fourth proportional to 148,786.80, 223,192.34 and 69,857.97 is: 104,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,786.80 : 223,192.34 = 69,857.97 : x
  2. Step 2: Convert to fraction form
    148,786.80/223,192.34 = 69,857.97/x
  3. Step 3: Cross multiply
    148,786.80x = 223,192.34 × 69,857.97
  4. Step 4: Simplify right side
    148,786.80x = 15,591,763,791.95
  5. Step 5: Solve for x
    x = 15,591,763,791.95/148,786.80
  6. Step 6: Final answer
    x = 104,792.65

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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.