Home / 193,042.56-266,396.16-108,161.28

Finding the Fourth Proportional to 193,042.56, 266,396.16 and 108,161.28

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Solution

The fourth proportional to 193,042.56, 266,396.16 and 108,161.28 is: 149,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,042.56 : 266,396.16 = 108,161.28 : x
  2. Step 2: Convert to fraction form
    193,042.56/266,396.16 = 108,161.28/x
  3. Step 3: Cross multiply
    193,042.56x = 266,396.16 × 108,161.28
  4. Step 4: Simplify right side
    193,042.56x = 28,813,749,652.68
  5. Step 5: Solve for x
    x = 28,813,749,652.68/193,042.56
  6. Step 6: Final answer
    x = 149,261.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.