Home / 194,601.28-268,543.68-109,717.12

Finding the Fourth Proportional to 194,601.28, 268,543.68 and 109,717.12

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Solution

The fourth proportional to 194,601.28, 268,543.68 and 109,717.12 is: 151,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,601.28 : 268,543.68 = 109,717.12 : x
  2. Step 2: Convert to fraction form
    194,601.28/268,543.68 = 109,717.12/x
  3. Step 3: Cross multiply
    194,601.28x = 268,543.68 × 109,717.12
  4. Step 4: Simplify right side
    194,601.28x = 29,463,839,163.80
  5. Step 5: Solve for x
    x = 29,463,839,163.80/194,601.28
  6. Step 6: Final answer
    x = 151,406.19

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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.