Home / 194,813.45-268,839.92-108,773.76

Finding the Fourth Proportional to 194,813.45, 268,839.92 and 108,773.76

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Solution

The fourth proportional to 194,813.45, 268,839.92 and 108,773.76 is: 150,106.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,813.45 : 268,839.92 = 108,773.76 : x
  2. Step 2: Convert to fraction form
    194,813.45/268,839.92 = 108,773.76/x
  3. Step 3: Cross multiply
    194,813.45x = 268,839.92 × 108,773.76
  4. Step 4: Simplify right side
    194,813.45x = 29,242,728,392.63
  5. Step 5: Solve for x
    x = 29,242,728,392.63/194,813.45
  6. Step 6: Final answer
    x = 150,106.32

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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.