Home / 165,144.20-227,890.50-89,692.52

Finding the Fourth Proportional to 165,144.20, 227,890.50 and 89,692.52

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Solution

The fourth proportional to 165,144.20, 227,890.50 and 89,692.52 is: 123,771.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,144.20 : 227,890.50 = 89,692.52 : x
  2. Step 2: Convert to fraction form
    165,144.20/227,890.50 = 89,692.52/x
  3. Step 3: Cross multiply
    165,144.20x = 227,890.50 × 89,692.52
  4. Step 4: Simplify right side
    165,144.20x = 20,440,073,229.06
  5. Step 5: Solve for x
    x = 20,440,073,229.06/165,144.20
  6. Step 6: Final answer
    x = 123,771.06

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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.