Home / 222,425.24-306,947.00-120,450.81

Finding the Fourth Proportional to 222,425.24, 306,947.00 and 120,450.81

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Solution

The fourth proportional to 222,425.24, 306,947.00 and 120,450.81 is: 166,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,425.24 : 306,947.00 = 120,450.81 : x
  2. Step 2: Convert to fraction form
    222,425.24/306,947.00 = 120,450.81/x
  3. Step 3: Cross multiply
    222,425.24x = 306,947.00 × 120,450.81
  4. Step 4: Simplify right side
    222,425.24x = 36,972,015,551.71
  5. Step 5: Solve for x
    x = 36,972,015,551.71/222,425.24
  6. Step 6: Final answer
    x = 166,222.21

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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.