Home / 131,768.28-197,650.80-52,881.12

Finding the Fourth Proportional to 131,768.28, 197,650.80 and 52,881.12

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Solution

The fourth proportional to 131,768.28, 197,650.80 and 52,881.12 is: 79,321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,768.28 : 197,650.80 = 52,881.12 : x
  2. Step 2: Convert to fraction form
    131,768.28/197,650.80 = 52,881.12/x
  3. Step 3: Cross multiply
    131,768.28x = 197,650.80 × 52,881.12
  4. Step 4: Simplify right side
    131,768.28x = 10,451,995,672.90
  5. Step 5: Solve for x
    x = 10,451,995,672.90/131,768.28
  6. Step 6: Final answer
    x = 79,321.03

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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.