Home / 144,442.05-199,336.89-79,910.97

Finding the Fourth Proportional to 144,442.05, 199,336.89 and 79,910.97

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Solution

The fourth proportional to 144,442.05, 199,336.89 and 79,910.97 is: 110,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,442.05 : 199,336.89 = 79,910.97 : x
  2. Step 2: Convert to fraction form
    144,442.05/199,336.89 = 79,910.97/x
  3. Step 3: Cross multiply
    144,442.05x = 199,336.89 × 79,910.97
  4. Step 4: Simplify right side
    144,442.05x = 15,929,204,236.68
  5. Step 5: Solve for x
    x = 15,929,204,236.68/144,442.05
  6. Step 6: Final answer
    x = 110,280.93

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1.5x scale

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.