Home / 281,660.09-422,556.60-92,119.73

Finding the Fourth Proportional to 281,660.09, 422,556.60 and 92,119.73

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Solution

The fourth proportional to 281,660.09, 422,556.60 and 92,119.73 is: 138,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,660.09 : 422,556.60 = 92,119.73 : x
  2. Step 2: Convert to fraction form
    281,660.09/422,556.60 = 92,119.73/x
  3. Step 3: Cross multiply
    281,660.09x = 422,556.60 × 92,119.73
  4. Step 4: Simplify right side
    281,660.09x = 38,925,799,993.09
  5. Step 5: Solve for x
    x = 38,925,799,993.09/281,660.09
  6. Step 6: Final answer
    x = 138,201.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.