Home / 188,743.78-260,477.19-108,184.73

Finding the Fourth Proportional to 188,743.78, 260,477.19 and 108,184.73

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Solution

The fourth proportional to 188,743.78, 260,477.19 and 108,184.73 is: 149,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,743.78 : 260,477.19 = 108,184.73 : x
  2. Step 2: Convert to fraction form
    188,743.78/260,477.19 = 108,184.73/x
  3. Step 3: Cross multiply
    188,743.78x = 260,477.19 × 108,184.73
  4. Step 4: Simplify right side
    188,743.78x = 28,179,653,168.92
  5. Step 5: Solve for x
    x = 28,179,653,168.92/188,743.78
  6. Step 6: Final answer
    x = 149,301.10

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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.