Home / 222,096.06-306,491.65-120,121.64

Finding the Fourth Proportional to 222,096.06, 306,491.65 and 120,121.64

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Solution

The fourth proportional to 222,096.06, 306,491.65 and 120,121.64 is: 165,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,096.06 : 306,491.65 = 120,121.64 : x
  2. Step 2: Convert to fraction form
    222,096.06/306,491.65 = 120,121.64/x
  3. Step 3: Cross multiply
    222,096.06x = 306,491.65 × 120,121.64
  4. Step 4: Simplify right side
    222,096.06x = 36,816,277,811.54
  5. Step 5: Solve for x
    x = 36,816,277,811.54/222,096.06
  6. Step 6: Final answer
    x = 165,767.36

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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.