Home / 285,911.42-394,635.17-178,417.94

Finding the Fourth Proportional to 285,911.42, 394,635.17 and 178,417.94

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Solution

The fourth proportional to 285,911.42, 394,635.17 and 178,417.94 is: 246,265.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,911.42 : 394,635.17 = 178,417.94 : x
  2. Step 2: Convert to fraction form
    285,911.42/394,635.17 = 178,417.94/x
  3. Step 3: Cross multiply
    285,911.42x = 394,635.17 × 178,417.94
  4. Step 4: Simplify right side
    285,911.42x = 70,409,992,555.82
  5. Step 5: Solve for x
    x = 70,409,992,555.82/285,911.42
  6. Step 6: Final answer
    x = 246,265.06

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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.