Home / 118,942.26-179,126.10-108,313.44

Finding the Fourth Proportional to 118,942.26, 179,126.10 and 108,313.44

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Solution

The fourth proportional to 118,942.26, 179,126.10 and 108,313.44 is: 163,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,942.26 : 179,126.10 = 108,313.44 : x
  2. Step 2: Convert to fraction form
    118,942.26/179,126.10 = 108,313.44/x
  3. Step 3: Cross multiply
    118,942.26x = 179,126.10 × 108,313.44
  4. Step 4: Simplify right side
    118,942.26x = 19,401,764,084.78
  5. Step 5: Solve for x
    x = 19,401,764,084.78/118,942.26
  6. Step 6: Final answer
    x = 163,119.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.