Home / 144,839.20-217,258.80-109,847.20

Finding the Fourth Proportional to 144,839.20, 217,258.80 and 109,847.20

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Solution

The fourth proportional to 144,839.20, 217,258.80 and 109,847.20 is: 164,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,839.20 : 217,258.80 = 109,847.20 : x
  2. Step 2: Convert to fraction form
    144,839.20/217,258.80 = 109,847.20/x
  3. Step 3: Cross multiply
    144,839.20x = 217,258.80 × 109,847.20
  4. Step 4: Simplify right side
    144,839.20x = 23,865,270,855.36
  5. Step 5: Solve for x
    x = 23,865,270,855.36/144,839.20
  6. Step 6: Final answer
    x = 164,770.80

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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.