Home / 194,682.18-268,660.90-108,640.24

Finding the Fourth Proportional to 194,682.18, 268,660.90 and 108,640.24

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Solution

The fourth proportional to 194,682.18, 268,660.90 and 108,640.24 is: 149,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,682.18 : 268,660.90 = 108,640.24 : x
  2. Step 2: Convert to fraction form
    194,682.18/268,660.90 = 108,640.24/x
  3. Step 3: Cross multiply
    194,682.18x = 268,660.90 × 108,640.24
  4. Step 4: Simplify right side
    194,682.18x = 29,187,385,126.24
  5. Step 5: Solve for x
    x = 29,187,385,126.24/194,682.18
  6. Step 6: Final answer
    x = 149,923.25

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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.