Home / 131,085.75-196,629.35-32,589.75

Finding the Fourth Proportional to 131,085.75, 196,629.35 and 32,589.75

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Solution

The fourth proportional to 131,085.75, 196,629.35 and 32,589.75 is: 48,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,085.75 : 196,629.35 = 32,589.75 : x
  2. Step 2: Convert to fraction form
    131,085.75/196,629.35 = 32,589.75/x
  3. Step 3: Cross multiply
    131,085.75x = 196,629.35 × 32,589.75
  4. Step 4: Simplify right side
    131,085.75x = 6,408,101,359.16
  5. Step 5: Solve for x
    x = 6,408,101,359.16/131,085.75
  6. Step 6: Final answer
    x = 48,884.81

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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.