Home / 285,732.24-394,131.87-183,890.13

Finding the Fourth Proportional to 285,732.24, 394,131.87 and 183,890.13

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Solution

The fourth proportional to 285,732.24, 394,131.87 and 183,890.13 is: 253,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,732.24 : 394,131.87 = 183,890.13 : x
  2. Step 2: Convert to fraction form
    285,732.24/394,131.87 = 183,890.13/x
  3. Step 3: Cross multiply
    285,732.24x = 394,131.87 × 183,890.13
  4. Step 4: Simplify right side
    285,732.24x = 72,476,960,811.44
  5. Step 5: Solve for x
    x = 72,476,960,811.44/285,732.24
  6. Step 6: Final answer
    x = 253,653.42

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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.