Home / 285,890.04-394,546.14-165,053.43

Finding the Fourth Proportional to 285,890.04, 394,546.14 and 165,053.43

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Solution

The fourth proportional to 285,890.04, 394,546.14 and 165,053.43 is: 227,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,890.04 : 394,546.14 = 165,053.43 : x
  2. Step 2: Convert to fraction form
    285,890.04/394,546.14 = 165,053.43/x
  3. Step 3: Cross multiply
    285,890.04x = 394,546.14 × 165,053.43
  4. Step 4: Simplify right side
    285,890.04x = 65,121,193,700.26
  5. Step 5: Solve for x
    x = 65,121,193,700.26/285,890.04
  6. Step 6: Final answer
    x = 227,784.06

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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.