Home / 229,168.12-343,761.50-109,163.38

Finding the Fourth Proportional to 229,168.12, 343,761.50 and 109,163.38

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Solution

The fourth proportional to 229,168.12, 343,761.50 and 109,163.38 is: 163,749.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,168.12 : 343,761.50 = 109,163.38 : x
  2. Step 2: Convert to fraction form
    229,168.12/343,761.50 = 109,163.38/x
  3. Step 3: Cross multiply
    229,168.12x = 343,761.50 × 109,163.38
  4. Step 4: Simplify right side
    229,168.12x = 37,526,167,253.87
  5. Step 5: Solve for x
    x = 37,526,167,253.87/229,168.12
  6. Step 6: Final answer
    x = 163,749.51

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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.