Home / 144,292.03-199,122.68-80,629.82

Finding the Fourth Proportional to 144,292.03, 199,122.68 and 80,629.82

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Solution

The fourth proportional to 144,292.03, 199,122.68 and 80,629.82 is: 111,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,292.03 : 199,122.68 = 80,629.82 : x
  2. Step 2: Convert to fraction form
    144,292.03/199,122.68 = 80,629.82/x
  3. Step 3: Cross multiply
    144,292.03x = 199,122.68 × 80,629.82
  4. Step 4: Simplify right side
    144,292.03x = 16,055,225,940.98
  5. Step 5: Solve for x
    x = 16,055,225,940.98/144,292.03
  6. Step 6: Final answer
    x = 111,268.97

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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.