Home / 165,144.45-227,890.85-89,692.77

Finding the Fourth Proportional to 165,144.45, 227,890.85 and 89,692.77

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Solution

The fourth proportional to 165,144.45, 227,890.85 and 89,692.77 is: 123,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,144.45 : 227,890.85 = 89,692.77 : x
  2. Step 2: Convert to fraction form
    165,144.45/227,890.85 = 89,692.77/x
  3. Step 3: Cross multiply
    165,144.45x = 227,890.85 × 89,692.77
  4. Step 4: Simplify right side
    165,144.45x = 20,440,161,145.69
  5. Step 5: Solve for x
    x = 20,440,161,145.69/165,144.45
  6. Step 6: Final answer
    x = 123,771.41

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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.