Home / 188,727.20-260,442.56-103,843.92

Finding the Fourth Proportional to 188,727.20, 260,442.56 and 103,843.92

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Solution

The fourth proportional to 188,727.20, 260,442.56 and 103,843.92 is: 143,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,727.20 : 260,442.56 = 103,843.92 : x
  2. Step 2: Convert to fraction form
    188,727.20/260,442.56 = 103,843.92/x
  3. Step 3: Cross multiply
    188,727.20x = 260,442.56 × 103,843.92
  4. Step 4: Simplify right side
    188,727.20x = 27,045,376,365.24
  5. Step 5: Solve for x
    x = 27,045,376,365.24/188,727.20
  6. Step 6: Final answer
    x = 143,304.07

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1.5x scale

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.