Home / 165,608.33-228,540.35-90,157.37

Finding the Fourth Proportional to 165,608.33, 228,540.35 and 90,157.37

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Solution

The fourth proportional to 165,608.33, 228,540.35 and 90,157.37 is: 124,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,608.33 : 228,540.35 = 90,157.37 : x
  2. Step 2: Convert to fraction form
    165,608.33/228,540.35 = 90,157.37/x
  3. Step 3: Cross multiply
    165,608.33x = 228,540.35 × 90,157.37
  4. Step 4: Simplify right side
    165,608.33x = 20,604,595,977.57
  5. Step 5: Solve for x
    x = 20,604,595,977.57/165,608.33
  6. Step 6: Final answer
    x = 124,417.63

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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.