Home / 148,589.32-222,942.36-65,425

Finding the Fourth Proportional to 148,589.32, 222,942.36 and 65,425

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Solution

The fourth proportional to 148,589.32, 222,942.36 and 65,425 is: 98,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,589.32 : 222,942.36 = 65,425 : x
  2. Step 2: Convert to fraction form
    148,589.32/222,942.36 = 65,425/x
  3. Step 3: Cross multiply
    148,589.32x = 222,942.36 × 65,425
  4. Step 4: Simplify right side
    148,589.32x = 14,586,003,903
  5. Step 5: Solve for x
    x = 14,586,003,903/148,589.32
  6. Step 6: Final answer
    x = 98,163.21

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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.