Home / 222,440.73-306,964.41-120,465.36

Finding the Fourth Proportional to 222,440.73, 306,964.41 and 120,465.36

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Solution

The fourth proportional to 222,440.73, 306,964.41 and 120,465.36 is: 166,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,440.73 : 306,964.41 = 120,465.36 : x
  2. Step 2: Convert to fraction form
    222,440.73/306,964.41 = 120,465.36/x
  3. Step 3: Cross multiply
    222,440.73x = 306,964.41 × 120,465.36
  4. Step 4: Simplify right side
    222,440.73x = 36,978,578,157.84
  5. Step 5: Solve for x
    x = 36,978,578,157.84/222,440.73
  6. Step 6: Final answer
    x = 166,240.14

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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.