Home / 355,834.24-491,046.88-194,686.98

Finding the Fourth Proportional to 355,834.24, 491,046.88 and 194,686.98

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Solution

The fourth proportional to 355,834.24, 491,046.88 and 194,686.98 is: 268,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,834.24 : 491,046.88 = 194,686.98 : x
  2. Step 2: Convert to fraction form
    355,834.24/491,046.88 = 194,686.98/x
  3. Step 3: Cross multiply
    355,834.24x = 491,046.88 × 194,686.98
  4. Step 4: Simplify right side
    355,834.24x = 95,600,434,105.62
  5. Step 5: Solve for x
    x = 95,600,434,105.62/355,834.24
  6. Step 6: Final answer
    x = 268,665.64

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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.