Home / 188,290.90-259,845.85-107,725.92

Finding the Fourth Proportional to 188,290.90, 259,845.85 and 107,725.92

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Solution

The fourth proportional to 188,290.90, 259,845.85 and 107,725.92 is: 148,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,290.90 : 259,845.85 = 107,725.92 : x
  2. Step 2: Convert to fraction form
    188,290.90/259,845.85 = 107,725.92/x
  3. Step 3: Cross multiply
    188,290.90x = 259,845.85 × 107,725.92
  4. Step 4: Simplify right side
    188,290.90x = 27,992,132,219.52
  5. Step 5: Solve for x
    x = 27,992,132,219.52/188,290.90
  6. Step 6: Final answer
    x = 148,664.29

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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.