Home / 194,635.64-268,596.78-109,752.20

Finding the Fourth Proportional to 194,635.64, 268,596.78 and 109,752.20

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Solution

The fourth proportional to 194,635.64, 268,596.78 and 109,752.20 is: 151,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,635.64 : 268,596.78 = 109,752.20 : x
  2. Step 2: Convert to fraction form
    194,635.64/268,596.78 = 109,752.20/x
  3. Step 3: Cross multiply
    194,635.64x = 268,596.78 × 109,752.20
  4. Step 4: Simplify right side
    194,635.64x = 29,479,087,517.92
  5. Step 5: Solve for x
    x = 29,479,087,517.92/194,635.64
  6. Step 6: Final answer
    x = 151,457.81

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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.