Home / 355,986.36-491,249.07-194,837.94

Finding the Fourth Proportional to 355,986.36, 491,249.07 and 194,837.94

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Solution

The fourth proportional to 355,986.36, 491,249.07 and 194,837.94 is: 268,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,986.36 : 491,249.07 = 194,837.94 : x
  2. Step 2: Convert to fraction form
    355,986.36/491,249.07 = 194,837.94/x
  3. Step 3: Cross multiply
    355,986.36x = 491,249.07 × 194,837.94
  4. Step 4: Simplify right side
    355,986.36x = 95,713,956,825.72
  5. Step 5: Solve for x
    x = 95,713,956,825.72/355,986.36
  6. Step 6: Final answer
    x = 268,869.73

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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.