Home / 144,098.33-198,847.44-80,440.16

Finding the Fourth Proportional to 144,098.33, 198,847.44 and 80,440.16

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Solution

The fourth proportional to 144,098.33, 198,847.44 and 80,440.16 is: 111,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,098.33 : 198,847.44 = 80,440.16 : x
  2. Step 2: Convert to fraction form
    144,098.33/198,847.44 = 80,440.16/x
  3. Step 3: Cross multiply
    144,098.33x = 198,847.44 × 80,440.16
  4. Step 4: Simplify right side
    144,098.33x = 15,995,318,894.95
  5. Step 5: Solve for x
    x = 15,995,318,894.95/144,098.33
  6. Step 6: Final answer
    x = 111,002.81

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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.