Home / 285,892.20-394,467.84-165,025.80

Finding the Fourth Proportional to 285,892.20, 394,467.84 and 165,025.80

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Solution

The fourth proportional to 285,892.20, 394,467.84 and 165,025.80 is: 227,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,892.20 : 394,467.84 = 165,025.80 : x
  2. Step 2: Convert to fraction form
    285,892.20/394,467.84 = 165,025.80/x
  3. Step 3: Cross multiply
    285,892.20x = 394,467.84 × 165,025.80
  4. Step 4: Simplify right side
    285,892.20x = 65,097,370,870.27
  5. Step 5: Solve for x
    x = 65,097,370,870.27/285,892.20
  6. Step 6: Final answer
    x = 227,699.01

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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.