Home / 195,765.94-270,134.22-115,175.80

Finding the Fourth Proportional to 195,765.94, 270,134.22 and 115,175.80

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Solution

The fourth proportional to 195,765.94, 270,134.22 and 115,175.80 is: 158,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,765.94 : 270,134.22 = 115,175.80 : x
  2. Step 2: Convert to fraction form
    195,765.94/270,134.22 = 115,175.80/x
  3. Step 3: Cross multiply
    195,765.94x = 270,134.22 × 115,175.80
  4. Step 4: Simplify right side
    195,765.94x = 31,112,924,895.88
  5. Step 5: Solve for x
    x = 31,112,924,895.88/195,765.94
  6. Step 6: Final answer
    x = 158,929.20

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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.