Home / 195,655.12-270,010.74-109,617.73

Finding the Fourth Proportional to 195,655.12, 270,010.74 and 109,617.73

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Solution

The fourth proportional to 195,655.12, 270,010.74 and 109,617.73 is: 151,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,655.12 : 270,010.74 = 109,617.73 : x
  2. Step 2: Convert to fraction form
    195,655.12/270,010.74 = 109,617.73/x
  3. Step 3: Cross multiply
    195,655.12x = 270,010.74 × 109,617.73
  4. Step 4: Simplify right side
    195,655.12x = 29,597,964,394.42
  5. Step 5: Solve for x
    x = 29,597,964,394.42/195,655.12
  6. Step 6: Final answer
    x = 151,276.21

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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.