Home / 165,660.12-248,519.40-60,625.80

Finding the Fourth Proportional to 165,660.12, 248,519.40 and 60,625.80

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Solution

The fourth proportional to 165,660.12, 248,519.40 and 60,625.80 is: 90,949.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,660.12 : 248,519.40 = 60,625.80 : x
  2. Step 2: Convert to fraction form
    165,660.12/248,519.40 = 60,625.80/x
  3. Step 3: Cross multiply
    165,660.12x = 248,519.40 × 60,625.80
  4. Step 4: Simplify right side
    165,660.12x = 15,066,687,440.52
  5. Step 5: Solve for x
    x = 15,066,687,440.52/165,660.12
  6. Step 6: Final answer
    x = 90,949.39

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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.