Home / 141,481.50-195,272.21-81,092.63

Finding the Fourth Proportional to 141,481.50, 195,272.21 and 81,092.63

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Solution

The fourth proportional to 141,481.50, 195,272.21 and 81,092.63 is: 111,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,481.50 : 195,272.21 = 81,092.63 : x
  2. Step 2: Convert to fraction form
    141,481.50/195,272.21 = 81,092.63/x
  3. Step 3: Cross multiply
    141,481.50x = 195,272.21 × 81,092.63
  4. Step 4: Simplify right side
    141,481.50x = 15,835,135,692.99
  5. Step 5: Solve for x
    x = 15,835,135,692.99/141,481.50
  6. Step 6: Final answer
    x = 111,923.72

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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.