Home / 188,974.94-260,786.12-104,091.80

Finding the Fourth Proportional to 188,974.94, 260,786.12 and 104,091.80

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Solution

The fourth proportional to 188,974.94, 260,786.12 and 104,091.80 is: 143,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,974.94 : 260,786.12 = 104,091.80 : x
  2. Step 2: Convert to fraction form
    188,974.94/260,786.12 = 104,091.80/x
  3. Step 3: Cross multiply
    188,974.94x = 260,786.12 × 104,091.80
  4. Step 4: Simplify right side
    188,974.94x = 27,145,694,821.43
  5. Step 5: Solve for x
    x = 27,145,694,821.43/188,974.94
  6. Step 6: Final answer
    x = 143,647.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.