Home / 285,983.46-394,714.62-165,144.42

Finding the Fourth Proportional to 285,983.46, 394,714.62 and 165,144.42

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Solution

The fourth proportional to 285,983.46, 394,714.62 and 165,144.42 is: 227,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,983.46 : 394,714.62 = 165,144.42 : x
  2. Step 2: Convert to fraction form
    285,983.46/394,714.62 = 165,144.42/x
  3. Step 3: Cross multiply
    285,983.46x = 394,714.62 × 165,144.42
  4. Step 4: Simplify right side
    285,983.46x = 65,184,916,985.42
  5. Step 5: Solve for x
    x = 65,184,916,985.42/285,983.46
  6. Step 6: Final answer
    x = 227,932.47

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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.