Home / 165,315.82-228,138.33-92,734.80

Finding the Fourth Proportional to 165,315.82, 228,138.33 and 92,734.80

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Solution

The fourth proportional to 165,315.82, 228,138.33 and 92,734.80 is: 127,975.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,315.82 : 228,138.33 = 92,734.80 : x
  2. Step 2: Convert to fraction form
    165,315.82/228,138.33 = 92,734.80/x
  3. Step 3: Cross multiply
    165,315.82x = 228,138.33 × 92,734.80
  4. Step 4: Simplify right side
    165,315.82x = 21,156,362,404.88
  5. Step 5: Solve for x
    x = 21,156,362,404.88/165,315.82
  6. Step 6: Final answer
    x = 127,975.43

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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.