Home / 222,213.54-306,652.39-120,236.75

Finding the Fourth Proportional to 222,213.54, 306,652.39 and 120,236.75

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Solution

The fourth proportional to 222,213.54, 306,652.39 and 120,236.75 is: 165,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,213.54 : 306,652.39 = 120,236.75 : x
  2. Step 2: Convert to fraction form
    222,213.54/306,652.39 = 120,236.75/x
  3. Step 3: Cross multiply
    222,213.54x = 306,652.39 × 120,236.75
  4. Step 4: Simplify right side
    222,213.54x = 36,870,887,219.37
  5. Step 5: Solve for x
    x = 36,870,887,219.37/222,213.54
  6. Step 6: Final answer
    x = 165,925.48

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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.