Home / 194,213.70-267,990.12-109,314.36

Finding the Fourth Proportional to 194,213.70, 267,990.12 and 109,314.36

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Solution

The fourth proportional to 194,213.70, 267,990.12 and 109,314.36 is: 150,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,213.70 : 267,990.12 = 109,314.36 : x
  2. Step 2: Convert to fraction form
    194,213.70/267,990.12 = 109,314.36/x
  3. Step 3: Cross multiply
    194,213.70x = 267,990.12 × 109,314.36
  4. Step 4: Simplify right side
    194,213.70x = 29,295,168,454.12
  5. Step 5: Solve for x
    x = 29,295,168,454.12/194,213.70
  6. Step 6: Final answer
    x = 150,839.87

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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.