Home / 194,785.24-268,816.20-109,900.48

Finding the Fourth Proportional to 194,785.24, 268,816.20 and 109,900.48

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Solution

The fourth proportional to 194,785.24, 268,816.20 and 109,900.48 is: 151,669.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,785.24 : 268,816.20 = 109,900.48 : x
  2. Step 2: Convert to fraction form
    194,785.24/268,816.20 = 109,900.48/x
  3. Step 3: Cross multiply
    194,785.24x = 268,816.20 × 109,900.48
  4. Step 4: Simplify right side
    194,785.24x = 29,543,029,411.78
  5. Step 5: Solve for x
    x = 29,543,029,411.78/194,785.24
  6. Step 6: Final answer
    x = 151,669.75

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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.