Home / 144,865.44-199,910.52-81,207.36

Finding the Fourth Proportional to 144,865.44, 199,910.52 and 81,207.36

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Solution

The fourth proportional to 144,865.44, 199,910.52 and 81,207.36 is: 112,064.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,865.44 : 199,910.52 = 81,207.36 : x
  2. Step 2: Convert to fraction form
    144,865.44/199,910.52 = 81,207.36/x
  3. Step 3: Cross multiply
    144,865.44x = 199,910.52 × 81,207.36
  4. Step 4: Simplify right side
    144,865.44x = 16,234,205,565.43
  5. Step 5: Solve for x
    x = 16,234,205,565.43/144,865.44
  6. Step 6: Final answer
    x = 112,064.03

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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.