Home / 107,654.62-148,460.30-82,115.60

Finding the Fourth Proportional to 107,654.62, 148,460.30 and 82,115.60

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Solution

The fourth proportional to 107,654.62, 148,460.30 and 82,115.60 is: 113,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,654.62 : 148,460.30 = 82,115.60 : x
  2. Step 2: Convert to fraction form
    107,654.62/148,460.30 = 82,115.60/x
  3. Step 3: Cross multiply
    107,654.62x = 148,460.30 × 82,115.60
  4. Step 4: Simplify right side
    107,654.62x = 12,190,906,610.68
  5. Step 5: Solve for x
    x = 12,190,906,610.68/107,654.62
  6. Step 6: Final answer
    x = 113,240.91

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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.