Home / 148,458.20-222,687.30-97,719.80

Finding the Fourth Proportional to 148,458.20, 222,687.30 and 97,719.80

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Solution

The fourth proportional to 148,458.20, 222,687.30 and 97,719.80 is: 146,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,458.20 : 222,687.30 = 97,719.80 : x
  2. Step 2: Convert to fraction form
    148,458.20/222,687.30 = 97,719.80/x
  3. Step 3: Cross multiply
    148,458.20x = 222,687.30 × 97,719.80
  4. Step 4: Simplify right side
    148,458.20x = 21,760,958,418.54
  5. Step 5: Solve for x
    x = 21,760,958,418.54/148,458.20
  6. Step 6: Final answer
    x = 146,579.70

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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.