Home / 200,692.91-276,729.21-127,998.57

Finding the Fourth Proportional to 200,692.91, 276,729.21 and 127,998.57

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Solution

The fourth proportional to 200,692.91, 276,729.21 and 127,998.57 is: 176,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,692.91 : 276,729.21 = 127,998.57 : x
  2. Step 2: Convert to fraction form
    200,692.91/276,729.21 = 127,998.57/x
  3. Step 3: Cross multiply
    200,692.91x = 276,729.21 × 127,998.57
  4. Step 4: Simplify right side
    200,692.91x = 35,420,943,157.23
  5. Step 5: Solve for x
    x = 35,420,943,157.23/200,692.91
  6. Step 6: Final answer
    x = 176,493.25

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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.