Home / 240,685.20-361,805.40-222,022.80

Finding the Fourth Proportional to 240,685.20, 361,805.40 and 222,022.80

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Solution

The fourth proportional to 240,685.20, 361,805.40 and 222,022.80 is: 333,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,685.20 : 361,805.40 = 222,022.80 : x
  2. Step 2: Convert to fraction form
    240,685.20/361,805.40 = 222,022.80/x
  3. Step 3: Cross multiply
    240,685.20x = 361,805.40 × 222,022.80
  4. Step 4: Simplify right side
    240,685.20x = 80,329,047,963.12
  5. Step 5: Solve for x
    x = 80,329,047,963.12/240,685.20
  6. Step 6: Final answer
    x = 333,751.51

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1.5x scale

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.