Home / 148,322.20-222,556.20-69,422.80

Finding the Fourth Proportional to 148,322.20, 222,556.20 and 69,422.80

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Solution

The fourth proportional to 148,322.20, 222,556.20 and 69,422.80 is: 104,168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,322.20 : 222,556.20 = 69,422.80 : x
  2. Step 2: Convert to fraction form
    148,322.20/222,556.20 = 69,422.80/x
  3. Step 3: Cross multiply
    148,322.20x = 222,556.20 × 69,422.80
  4. Step 4: Simplify right side
    148,322.20x = 15,450,474,561.36
  5. Step 5: Solve for x
    x = 15,450,474,561.36/148,322.20
  6. Step 6: Final answer
    x = 104,168.32

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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.