Home / 195,653.18-270,008.07-109,615.79

Finding the Fourth Proportional to 195,653.18, 270,008.07 and 109,615.79

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Solution

The fourth proportional to 195,653.18, 270,008.07 and 109,615.79 is: 151,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,653.18 : 270,008.07 = 109,615.79 : x
  2. Step 2: Convert to fraction form
    195,653.18/270,008.07 = 109,615.79/x
  3. Step 3: Cross multiply
    195,653.18x = 270,008.07 × 109,615.79
  4. Step 4: Simplify right side
    195,653.18x = 29,597,148,163.39
  5. Step 5: Solve for x
    x = 29,597,148,163.39/195,653.18
  6. Step 6: Final answer
    x = 151,273.53

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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.