Home / 195,909.60-293,883.84-71,221.44

Finding the Fourth Proportional to 195,909.60, 293,883.84 and 71,221.44

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Solution

The fourth proportional to 195,909.60, 293,883.84 and 71,221.44 is: 106,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,909.60 : 293,883.84 = 71,221.44 : x
  2. Step 2: Convert to fraction form
    195,909.60/293,883.84 = 71,221.44/x
  3. Step 3: Cross multiply
    195,909.60x = 293,883.84 × 71,221.44
  4. Step 4: Simplify right side
    195,909.60x = 20,930,830,277.53
  5. Step 5: Solve for x
    x = 20,930,830,277.53/195,909.60
  6. Step 6: Final answer
    x = 106,839.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.