Home / 222,028.36-333,020.94-122,155.72

Finding the Fourth Proportional to 222,028.36, 333,020.94 and 122,155.72

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Solution

The fourth proportional to 222,028.36, 333,020.94 and 122,155.72 is: 183,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,028.36 : 333,020.94 = 122,155.72 : x
  2. Step 2: Convert to fraction form
    222,028.36/333,020.94 = 122,155.72/x
  3. Step 3: Cross multiply
    222,028.36x = 333,020.94 × 122,155.72
  4. Step 4: Simplify right side
    222,028.36x = 40,680,412,700.78
  5. Step 5: Solve for x
    x = 40,680,412,700.78/222,028.36
  6. Step 6: Final answer
    x = 183,221.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.