Home / 285,655.11-394,190.46-164,835.24

Finding the Fourth Proportional to 285,655.11, 394,190.46 and 164,835.24

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Solution

The fourth proportional to 285,655.11, 394,190.46 and 164,835.24 is: 227,464.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,655.11 : 394,190.46 = 164,835.24 : x
  2. Step 2: Convert to fraction form
    285,655.11/394,190.46 = 164,835.24/x
  3. Step 3: Cross multiply
    285,655.11x = 394,190.46 × 164,835.24
  4. Step 4: Simplify right side
    285,655.11x = 64,976,479,079.81
  5. Step 5: Solve for x
    x = 64,976,479,079.81/285,655.11
  6. Step 6: Final answer
    x = 227,464.79

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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.