Home / 143,208.60-197,583.39-82,757.22

Finding the Fourth Proportional to 143,208.60, 197,583.39 and 82,757.22

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Solution

The fourth proportional to 143,208.60, 197,583.39 and 82,757.22 is: 114,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,208.60 : 197,583.39 = 82,757.22 : x
  2. Step 2: Convert to fraction form
    143,208.60/197,583.39 = 82,757.22/x
  3. Step 3: Cross multiply
    143,208.60x = 197,583.39 × 82,757.22
  4. Step 4: Simplify right side
    143,208.60x = 16,351,452,074.58
  5. Step 5: Solve for x
    x = 16,351,452,074.58/143,208.60
  6. Step 6: Final answer
    x = 114,179.26

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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.