Home / 203,198.98-280,550.19-126,748.75

Finding the Fourth Proportional to 203,198.98, 280,550.19 and 126,748.75

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Solution

The fourth proportional to 203,198.98, 280,550.19 and 126,748.75 is: 174,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,198.98 : 280,550.19 = 126,748.75 : x
  2. Step 2: Convert to fraction form
    203,198.98/280,550.19 = 126,748.75/x
  3. Step 3: Cross multiply
    203,198.98x = 280,550.19 × 126,748.75
  4. Step 4: Simplify right side
    203,198.98x = 35,559,384,492.01
  5. Step 5: Solve for x
    x = 35,559,384,492.01/203,198.98
  6. Step 6: Final answer
    x = 174,997.85

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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.