Home / 195,747.87-270,142.64-109,734.48

Finding the Fourth Proportional to 195,747.87, 270,142.64 and 109,734.48

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Solution

The fourth proportional to 195,747.87, 270,142.64 and 109,734.48 is: 151,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,747.87 : 270,142.64 = 109,734.48 : x
  2. Step 2: Convert to fraction form
    195,747.87/270,142.64 = 109,734.48/x
  3. Step 3: Cross multiply
    195,747.87x = 270,142.64 × 109,734.48
  4. Step 4: Simplify right side
    195,747.87x = 29,643,962,126.23
  5. Step 5: Solve for x
    x = 29,643,962,126.23/195,747.87
  6. Step 6: Final answer
    x = 151,439.51

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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.