Home / 131,291.75-196,936.20-89,067.26

Finding the Fourth Proportional to 131,291.75, 196,936.20 and 89,067.26

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Solution

The fourth proportional to 131,291.75, 196,936.20 and 89,067.26 is: 133,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,291.75 : 196,936.20 = 89,067.26 : x
  2. Step 2: Convert to fraction form
    131,291.75/196,936.20 = 89,067.26/x
  3. Step 3: Cross multiply
    131,291.75x = 196,936.20 × 89,067.26
  4. Step 4: Simplify right side
    131,291.75x = 17,540,566,744.13
  5. Step 5: Solve for x
    x = 17,540,566,744.13/131,291.75
  6. Step 6: Final answer
    x = 133,599.92

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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.