Home / 148,629.68-222,980.98-69,651.86

Finding the Fourth Proportional to 148,629.68, 222,980.98 and 69,651.86

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Solution

The fourth proportional to 148,629.68, 222,980.98 and 69,651.86 is: 104,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,629.68 : 222,980.98 = 69,651.86 : x
  2. Step 2: Convert to fraction form
    148,629.68/222,980.98 = 69,651.86/x
  3. Step 3: Cross multiply
    148,629.68x = 222,980.98 × 69,651.86
  4. Step 4: Simplify right side
    148,629.68x = 15,531,040,001.62
  5. Step 5: Solve for x
    x = 15,531,040,001.62/148,629.68
  6. Step 6: Final answer
    x = 104,494.88

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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.