Home / 394,014.93-591,099.63-141,227.80

Finding the Fourth Proportional to 394,014.93, 591,099.63 and 141,227.80

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Solution

The fourth proportional to 394,014.93, 591,099.63 and 141,227.80 is: 211,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,014.93 : 591,099.63 = 141,227.80 : x
  2. Step 2: Convert to fraction form
    394,014.93/591,099.63 = 141,227.80/x
  3. Step 3: Cross multiply
    394,014.93x = 591,099.63 × 141,227.80
  4. Step 4: Simplify right side
    394,014.93x = 83,479,701,643.30
  5. Step 5: Solve for x
    x = 83,479,701,643.30/394,014.93
  6. Step 6: Final answer
    x = 211,869.39

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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.