Home / 131,546.15-197,286.38-51,600.36

Finding the Fourth Proportional to 131,546.15, 197,286.38 and 51,600.36

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Solution

The fourth proportional to 131,546.15, 197,286.38 and 51,600.36 is: 77,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,546.15 : 197,286.38 = 51,600.36 : x
  2. Step 2: Convert to fraction form
    131,546.15/197,286.38 = 51,600.36/x
  3. Step 3: Cross multiply
    131,546.15x = 197,286.38 × 51,600.36
  4. Step 4: Simplify right side
    131,546.15x = 10,180,048,231.10
  5. Step 5: Solve for x
    x = 10,180,048,231.10/131,546.15
  6. Step 6: Final answer
    x = 77,387.66

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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.