Home / 199,305.42-274,885.92-127,692.12

Finding the Fourth Proportional to 199,305.42, 274,885.92 and 127,692.12

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Solution

The fourth proportional to 199,305.42, 274,885.92 and 127,692.12 is: 176,115.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,305.42 : 274,885.92 = 127,692.12 : x
  2. Step 2: Convert to fraction form
    199,305.42/274,885.92 = 127,692.12/x
  3. Step 3: Cross multiply
    199,305.42x = 274,885.92 × 127,692.12
  4. Step 4: Simplify right side
    199,305.42x = 35,100,765,882.95
  5. Step 5: Solve for x
    x = 35,100,765,882.95/199,305.42
  6. Step 6: Final answer
    x = 176,115.46

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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.