Home / 131,040.60-196,431.30-52,049.40

Finding the Fourth Proportional to 131,040.60, 196,431.30 and 52,049.40

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Solution

The fourth proportional to 131,040.60, 196,431.30 and 52,049.40 is: 78,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,040.60 : 196,431.30 = 52,049.40 : x
  2. Step 2: Convert to fraction form
    131,040.60/196,431.30 = 52,049.40/x
  3. Step 3: Cross multiply
    131,040.60x = 196,431.30 × 52,049.40
  4. Step 4: Simplify right side
    131,040.60x = 10,224,131,306.22
  5. Step 5: Solve for x
    x = 10,224,131,306.22/131,040.60
  6. Step 6: Final answer
    x = 78,022.62

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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.