Home / 148,004.70-222,007.05-133,719.90

Finding the Fourth Proportional to 148,004.70, 222,007.05 and 133,719.90

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Solution

The fourth proportional to 148,004.70, 222,007.05 and 133,719.90 is: 200,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,004.70 : 222,007.05 = 133,719.90 : x
  2. Step 2: Convert to fraction form
    148,004.70/222,007.05 = 133,719.90/x
  3. Step 3: Cross multiply
    148,004.70x = 222,007.05 × 133,719.90
  4. Step 4: Simplify right side
    148,004.70x = 29,686,760,525.30
  5. Step 5: Solve for x
    x = 29,686,760,525.30/148,004.70
  6. Step 6: Final answer
    x = 200,579.85

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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.