Home / 165,265.44-228,067.68-89,813.92

Finding the Fourth Proportional to 165,265.44, 228,067.68 and 89,813.92

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Solution

The fourth proportional to 165,265.44, 228,067.68 and 89,813.92 is: 123,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,265.44 : 228,067.68 = 89,813.92 : x
  2. Step 2: Convert to fraction form
    165,265.44/228,067.68 = 89,813.92/x
  3. Step 3: Cross multiply
    165,265.44x = 228,067.68 × 89,813.92
  4. Step 4: Simplify right side
    165,265.44x = 20,483,652,366.11
  5. Step 5: Solve for x
    x = 20,483,652,366.11/165,265.44
  6. Step 6: Final answer
    x = 123,943.96

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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.