Home / 144,469.10-199,356.53-80,794.59

Finding the Fourth Proportional to 144,469.10, 199,356.53 and 80,794.59

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Solution

The fourth proportional to 144,469.10, 199,356.53 and 80,794.59 is: 111,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,469.10 : 199,356.53 = 80,794.59 : x
  2. Step 2: Convert to fraction form
    144,469.10/199,356.53 = 80,794.59/x
  3. Step 3: Cross multiply
    144,469.10x = 199,356.53 × 80,794.59
  4. Step 4: Simplify right side
    144,469.10x = 16,106,929,105.17
  5. Step 5: Solve for x
    x = 16,106,929,105.17/144,469.10
  6. Step 6: Final answer
    x = 111,490.48

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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.