Home / 285,644.61-394,175.97-164,824.74

Finding the Fourth Proportional to 285,644.61, 394,175.97 and 164,824.74

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Solution

The fourth proportional to 285,644.61, 394,175.97 and 164,824.74 is: 227,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,644.61 : 394,175.97 = 164,824.74 : x
  2. Step 2: Convert to fraction form
    285,644.61/394,175.97 = 164,824.74/x
  3. Step 3: Cross multiply
    285,644.61x = 394,175.97 × 164,824.74
  4. Step 4: Simplify right side
    285,644.61x = 64,969,951,769.50
  5. Step 5: Solve for x
    x = 64,969,951,769.50/285,644.61
  6. Step 6: Final answer
    x = 227,450.30

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1.5x scale

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.