Home / 203,089.44-280,294.38-126,620.94

Finding the Fourth Proportional to 203,089.44, 280,294.38 and 126,620.94

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Solution

The fourth proportional to 203,089.44, 280,294.38 and 126,620.94 is: 174,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,089.44 : 280,294.38 = 126,620.94 : x
  2. Step 2: Convert to fraction form
    203,089.44/280,294.38 = 126,620.94/x
  3. Step 3: Cross multiply
    203,089.44x = 280,294.38 × 126,620.94
  4. Step 4: Simplify right side
    203,089.44x = 35,491,137,872.32
  5. Step 5: Solve for x
    x = 35,491,137,872.32/203,089.44
  6. Step 6: Final answer
    x = 174,756.20

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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.