Home / 202,338.45-279,227.97-111,692.73

Finding the Fourth Proportional to 202,338.45, 279,227.97 and 111,692.73

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Solution

The fourth proportional to 202,338.45, 279,227.97 and 111,692.73 is: 154,136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,338.45 : 279,227.97 = 111,692.73 : x
  2. Step 2: Convert to fraction form
    202,338.45/279,227.97 = 111,692.73/x
  3. Step 3: Cross multiply
    202,338.45x = 279,227.97 × 111,692.73
  4. Step 4: Simplify right side
    202,338.45x = 31,187,734,261.66
  5. Step 5: Solve for x
    x = 31,187,734,261.66/202,338.45
  6. Step 6: Final answer
    x = 154,136.47

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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.