Home / 165,228.33-228,016.49-89,776.83

Finding the Fourth Proportional to 165,228.33, 228,016.49 and 89,776.83

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Solution

The fourth proportional to 165,228.33, 228,016.49 and 89,776.83 is: 123,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,228.33 : 228,016.49 = 89,776.83 : x
  2. Step 2: Convert to fraction form
    165,228.33/228,016.49 = 89,776.83/x
  3. Step 3: Cross multiply
    165,228.33x = 228,016.49 × 89,776.83
  4. Step 4: Simplify right side
    165,228.33x = 20,470,598,066.10
  5. Step 5: Solve for x
    x = 20,470,598,066.10/165,228.33
  6. Step 6: Final answer
    x = 123,892.78

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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.