Home / 168,029.44-231,994.56-117,640.96

Finding the Fourth Proportional to 168,029.44, 231,994.56 and 117,640.96

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Solution

The fourth proportional to 168,029.44, 231,994.56 and 117,640.96 is: 162,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,029.44 : 231,994.56 = 117,640.96 : x
  2. Step 2: Convert to fraction form
    168,029.44/231,994.56 = 117,640.96/x
  3. Step 3: Cross multiply
    168,029.44x = 231,994.56 × 117,640.96
  4. Step 4: Simplify right side
    168,029.44x = 27,292,062,753.18
  5. Step 5: Solve for x
    x = 27,292,062,753.18/168,029.44
  6. Step 6: Final answer
    x = 162,424.29

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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.