Home / 240,269.68-331,215.24-206,113.60

Finding the Fourth Proportional to 240,269.68, 331,215.24 and 206,113.60

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Solution

The fourth proportional to 240,269.68, 331,215.24 and 206,113.60 is: 284,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,269.68 : 331,215.24 = 206,113.60 : x
  2. Step 2: Convert to fraction form
    240,269.68/331,215.24 = 206,113.60/x
  3. Step 3: Cross multiply
    240,269.68x = 331,215.24 × 206,113.60
  4. Step 4: Simplify right side
    240,269.68x = 68,267,965,491.26
  5. Step 5: Solve for x
    x = 68,267,965,491.26/240,269.68
  6. Step 6: Final answer
    x = 284,130.59

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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.