Home / 165,844.24-228,858.96-90,391.12

Finding the Fourth Proportional to 165,844.24, 228,858.96 and 90,391.12

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Solution

The fourth proportional to 165,844.24, 228,858.96 and 90,391.12 is: 124,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,844.24 : 228,858.96 = 90,391.12 : x
  2. Step 2: Convert to fraction form
    165,844.24/228,858.96 = 90,391.12/x
  3. Step 3: Cross multiply
    165,844.24x = 228,858.96 × 90,391.12
  4. Step 4: Simplify right side
    165,844.24x = 20,686,817,716.44
  5. Step 5: Solve for x
    x = 20,686,817,716.44/165,844.24
  6. Step 6: Final answer
    x = 124,736.43

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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.