Home / 188,204.72-259,739.87-107,616.20

Finding the Fourth Proportional to 188,204.72, 259,739.87 and 107,616.20

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Solution

The fourth proportional to 188,204.72, 259,739.87 and 107,616.20 is: 148,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,204.72 : 259,739.87 = 107,616.20 : x
  2. Step 2: Convert to fraction form
    188,204.72/259,739.87 = 107,616.20/x
  3. Step 3: Cross multiply
    188,204.72x = 259,739.87 × 107,616.20
  4. Step 4: Simplify right side
    188,204.72x = 27,952,215,961.11
  5. Step 5: Solve for x
    x = 27,952,215,961.11/188,204.72
  6. Step 6: Final answer
    x = 148,520.27

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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.