Home / 285,734.17-394,317.41-156,684.43

Finding the Fourth Proportional to 285,734.17, 394,317.41 and 156,684.43

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Solution

The fourth proportional to 285,734.17, 394,317.41 and 156,684.43 is: 216,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,734.17 : 394,317.41 = 156,684.43 : x
  2. Step 2: Convert to fraction form
    285,734.17/394,317.41 = 156,684.43/x
  3. Step 3: Cross multiply
    285,734.17x = 394,317.41 × 156,684.43
  4. Step 4: Simplify right side
    285,734.17x = 61,783,398,624.93
  5. Step 5: Solve for x
    x = 61,783,398,624.93/285,734.17
  6. Step 6: Final answer
    x = 216,226.85

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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.