Home / 197,692.88-296,542.92-71,342.60

Finding the Fourth Proportional to 197,692.88, 296,542.92 and 71,342.60

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Solution

The fourth proportional to 197,692.88, 296,542.92 and 71,342.60 is: 107,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,692.88 : 296,542.92 = 71,342.60 : x
  2. Step 2: Convert to fraction form
    197,692.88/296,542.92 = 71,342.60/x
  3. Step 3: Cross multiply
    197,692.88x = 296,542.92 × 71,342.60
  4. Step 4: Simplify right side
    197,692.88x = 21,156,142,924.39
  5. Step 5: Solve for x
    x = 21,156,142,924.39/197,692.88
  6. Step 6: Final answer
    x = 107,015.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.