Home / 165,229.74-228,016.62-89,778.24

Finding the Fourth Proportional to 165,229.74, 228,016.62 and 89,778.24

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Solution

The fourth proportional to 165,229.74, 228,016.62 and 89,778.24 is: 123,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,229.74 : 228,016.62 = 89,778.24 : x
  2. Step 2: Convert to fraction form
    165,229.74/228,016.62 = 89,778.24/x
  3. Step 3: Cross multiply
    165,229.74x = 228,016.62 × 89,778.24
  4. Step 4: Simplify right side
    165,229.74x = 20,470,930,834.35
  5. Step 5: Solve for x
    x = 20,470,930,834.35/165,229.74
  6. Step 6: Final answer
    x = 123,893.74

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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.