Home / 148,114.72-204,397.44-80,131.48

Finding the Fourth Proportional to 148,114.72, 204,397.44 and 80,131.48

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Solution

The fourth proportional to 148,114.72, 204,397.44 and 80,131.48 is: 110,580.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,114.72 : 204,397.44 = 80,131.48 : x
  2. Step 2: Convert to fraction form
    148,114.72/204,397.44 = 80,131.48/x
  3. Step 3: Cross multiply
    148,114.72x = 204,397.44 × 80,131.48
  4. Step 4: Simplify right side
    148,114.72x = 16,378,669,375.41
  5. Step 5: Solve for x
    x = 16,378,669,375.41/148,114.72
  6. Step 6: Final answer
    x = 110,580.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.