Home / 144,821.40-217,232.10-100,584.60

Finding the Fourth Proportional to 144,821.40, 217,232.10 and 100,584.60

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Solution

The fourth proportional to 144,821.40, 217,232.10 and 100,584.60 is: 150,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,821.40 : 217,232.10 = 100,584.60 : x
  2. Step 2: Convert to fraction form
    144,821.40/217,232.10 = 100,584.60/x
  3. Step 3: Cross multiply
    144,821.40x = 217,232.10 × 100,584.60
  4. Step 4: Simplify right side
    144,821.40x = 21,850,203,885.66
  5. Step 5: Solve for x
    x = 21,850,203,885.66/144,821.40
  6. Step 6: Final answer
    x = 150,876.90

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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.