Home / 394,039.46-591,136.36-141,252.32

Finding the Fourth Proportional to 394,039.46, 591,136.36 and 141,252.32

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Solution

The fourth proportional to 394,039.46, 591,136.36 and 141,252.32 is: 211,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,039.46 : 591,136.36 = 141,252.32 : x
  2. Step 2: Convert to fraction form
    394,039.46/591,136.36 = 141,252.32/x
  3. Step 3: Cross multiply
    394,039.46x = 591,136.36 × 141,252.32
  4. Step 4: Simplify right side
    394,039.46x = 83,499,382,286.36
  5. Step 5: Solve for x
    x = 83,499,382,286.36/394,039.46
  6. Step 6: Final answer
    x = 211,906.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.