Home / 144,182.43-198,972.18-80,522.64

Finding the Fourth Proportional to 144,182.43, 198,972.18 and 80,522.64

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Solution

The fourth proportional to 144,182.43, 198,972.18 and 80,522.64 is: 111,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,182.43 : 198,972.18 = 80,522.64 : x
  2. Step 2: Convert to fraction form
    144,182.43/198,972.18 = 80,522.64/x
  3. Step 3: Cross multiply
    144,182.43x = 198,972.18 × 80,522.64
  4. Step 4: Simplify right side
    144,182.43x = 16,021,765,220.16
  5. Step 5: Solve for x
    x = 16,021,765,220.16/144,182.43
  6. Step 6: Final answer
    x = 111,121.48

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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.