Home / 240,766.81-331,943.13-207,136.56

Finding the Fourth Proportional to 240,766.81, 331,943.13 and 207,136.56

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Solution

The fourth proportional to 240,766.81, 331,943.13 and 207,136.56 is: 285,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,766.81 : 331,943.13 = 207,136.56 : x
  2. Step 2: Convert to fraction form
    240,766.81/331,943.13 = 207,136.56/x
  3. Step 3: Cross multiply
    240,766.81x = 331,943.13 × 207,136.56
  4. Step 4: Simplify right side
    240,766.81x = 68,757,557,441.44
  5. Step 5: Solve for x
    x = 68,757,557,441.44/240,766.81
  6. Step 6: Final answer
    x = 285,577.39

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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.