Home / 144,190.44-198,983.22-80,530.64

Finding the Fourth Proportional to 144,190.44, 198,983.22 and 80,530.64

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Solution

The fourth proportional to 144,190.44, 198,983.22 and 80,530.64 is: 111,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,190.44 : 198,983.22 = 80,530.64 : x
  2. Step 2: Convert to fraction form
    144,190.44/198,983.22 = 80,530.64/x
  3. Step 3: Cross multiply
    144,190.44x = 198,983.22 × 80,530.64
  4. Step 4: Simplify right side
    144,190.44x = 16,024,246,055.86
  5. Step 5: Solve for x
    x = 16,024,246,055.86/144,190.44
  6. Step 6: Final answer
    x = 111,132.51

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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.