Home / 188,961.80-260,757.44-117,340.30

Finding the Fourth Proportional to 188,961.80, 260,757.44 and 117,340.30

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Solution

The fourth proportional to 188,961.80, 260,757.44 and 117,340.30 is: 161,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,961.80 : 260,757.44 = 117,340.30 : x
  2. Step 2: Convert to fraction form
    188,961.80/260,757.44 = 117,340.30/x
  3. Step 3: Cross multiply
    188,961.80x = 260,757.44 × 117,340.30
  4. Step 4: Simplify right side
    188,961.80x = 30,597,354,933.04
  5. Step 5: Solve for x
    x = 30,597,354,933.04/188,961.80
  6. Step 6: Final answer
    x = 161,923.49

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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.