Home / 131,320.80-196,910.72-41,346.60

Finding the Fourth Proportional to 131,320.80, 196,910.72 and 41,346.60

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Solution

The fourth proportional to 131,320.80, 196,910.72 and 41,346.60 is: 61,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,320.80 : 196,910.72 = 41,346.60 : x
  2. Step 2: Convert to fraction form
    131,320.80/196,910.72 = 41,346.60/x
  3. Step 3: Cross multiply
    131,320.80x = 196,910.72 × 41,346.60
  4. Step 4: Simplify right side
    131,320.80x = 8,141,588,775.55
  5. Step 5: Solve for x
    x = 8,141,588,775.55/131,320.80
  6. Step 6: Final answer
    x = 61,997.71

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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.