Home / 144,301.43-199,136.24-80,639.24

Finding the Fourth Proportional to 144,301.43, 199,136.24 and 80,639.24

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Solution

The fourth proportional to 144,301.43, 199,136.24 and 80,639.24 is: 111,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,301.43 : 199,136.24 = 80,639.24 : x
  2. Step 2: Convert to fraction form
    144,301.43/199,136.24 = 80,639.24/x
  3. Step 3: Cross multiply
    144,301.43x = 199,136.24 × 80,639.24
  4. Step 4: Simplify right side
    144,301.43x = 16,058,193,651.18
  5. Step 5: Solve for x
    x = 16,058,193,651.18/144,301.43
  6. Step 6: Final answer
    x = 111,282.29

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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.