Home / 220,988.60-331,771.98-131,195.24

Finding the Fourth Proportional to 220,988.60, 331,771.98 and 131,195.24

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Solution

The fourth proportional to 220,988.60, 331,771.98 and 131,195.24 is: 196,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,988.60 : 331,771.98 = 131,195.24 : x
  2. Step 2: Convert to fraction form
    220,988.60/331,771.98 = 131,195.24/x
  3. Step 3: Cross multiply
    220,988.60x = 331,771.98 × 131,195.24
  4. Step 4: Simplify right side
    220,988.60x = 43,526,904,541.38
  5. Step 5: Solve for x
    x = 43,526,904,541.38/220,988.60
  6. Step 6: Final answer
    x = 196,964.48

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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.