Home / 168,982.97-233,180.56-100,986.41

Finding the Fourth Proportional to 168,982.97, 233,180.56 and 100,986.41

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Solution

The fourth proportional to 168,982.97, 233,180.56 and 100,986.41 is: 139,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,982.97 : 233,180.56 = 100,986.41 : x
  2. Step 2: Convert to fraction form
    168,982.97/233,180.56 = 100,986.41/x
  3. Step 3: Cross multiply
    168,982.97x = 233,180.56 × 100,986.41
  4. Step 4: Simplify right side
    168,982.97x = 23,548,067,966.68
  5. Step 5: Solve for x
    x = 23,548,067,966.68/168,982.97
  6. Step 6: Final answer
    x = 139,351.72

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1.5x scale

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.