Home / 222,198.20-306,633.60-121,596.20

Finding the Fourth Proportional to 222,198.20, 306,633.60 and 121,596.20

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Solution

The fourth proportional to 222,198.20, 306,633.60 and 121,596.20 is: 167,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,198.20 : 306,633.60 = 121,596.20 : x
  2. Step 2: Convert to fraction form
    222,198.20/306,633.60 = 121,596.20/x
  3. Step 3: Cross multiply
    222,198.20x = 306,633.60 × 121,596.20
  4. Step 4: Simplify right side
    222,198.20x = 37,285,479,019.15
  5. Step 5: Solve for x
    x = 37,285,479,019.15/222,198.20
  6. Step 6: Final answer
    x = 167,802.80

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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.