Home / 131,770.13-197,692.14-52,939.71

Finding the Fourth Proportional to 131,770.13, 197,692.14 and 52,939.71

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Solution

The fourth proportional to 131,770.13, 197,692.14 and 52,939.71 is: 79,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,770.13 : 197,692.14 = 52,939.71 : x
  2. Step 2: Convert to fraction form
    131,770.13/197,692.14 = 52,939.71/x
  3. Step 3: Cross multiply
    131,770.13x = 197,692.14 × 52,939.71
  4. Step 4: Simplify right side
    131,770.13x = 10,465,764,560.88
  5. Step 5: Solve for x
    x = 10,465,764,560.88/131,770.13
  6. Step 6: Final answer
    x = 79,424.41

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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.