Home / 165,227.82-228,014.99-89,776.32

Finding the Fourth Proportional to 165,227.82, 228,014.99 and 89,776.32

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Solution

The fourth proportional to 165,227.82, 228,014.99 and 89,776.32 is: 123,891.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,227.82 : 228,014.99 = 89,776.32 : x
  2. Step 2: Convert to fraction form
    165,227.82/228,014.99 = 89,776.32/x
  3. Step 3: Cross multiply
    165,227.82x = 228,014.99 × 89,776.32
  4. Step 4: Simplify right side
    165,227.82x = 20,470,346,258.16
  5. Step 5: Solve for x
    x = 20,470,346,258.16/165,227.82
  6. Step 6: Final answer
    x = 123,891.64

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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.