Home / 131,163.12-196,720.56-35,101.44

Finding the Fourth Proportional to 131,163.12, 196,720.56 and 35,101.44

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Solution

The fourth proportional to 131,163.12, 196,720.56 and 35,101.44 is: 52,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,163.12 : 196,720.56 = 35,101.44 : x
  2. Step 2: Convert to fraction form
    131,163.12/196,720.56 = 35,101.44/x
  3. Step 3: Cross multiply
    131,163.12x = 196,720.56 × 35,101.44
  4. Step 4: Simplify right side
    131,163.12x = 6,905,174,933.61
  5. Step 5: Solve for x
    x = 6,905,174,933.61/131,163.12
  6. Step 6: Final answer
    x = 52,645.71

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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.