Home / 355,910.27-491,144.22-194,754.51

Finding the Fourth Proportional to 355,910.27, 491,144.22 and 194,754.51

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Solution

The fourth proportional to 355,910.27, 491,144.22 and 194,754.51 is: 268,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,910.27 : 491,144.22 = 194,754.51 : x
  2. Step 2: Convert to fraction form
    355,910.27/491,144.22 = 194,754.51/x
  3. Step 3: Cross multiply
    355,910.27x = 491,144.22 × 194,754.51
  4. Step 4: Simplify right side
    355,910.27x = 95,652,551,905.43
  5. Step 5: Solve for x
    x = 95,652,551,905.43/355,910.27
  6. Step 6: Final answer
    x = 268,754.69

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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.