Home / 117,722.20-176,583.30-82,292.80

Finding the Fourth Proportional to 117,722.20, 176,583.30 and 82,292.80

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Solution

The fourth proportional to 117,722.20, 176,583.30 and 82,292.80 is: 123,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,722.20 : 176,583.30 = 82,292.80 : x
  2. Step 2: Convert to fraction form
    117,722.20/176,583.30 = 82,292.80/x
  3. Step 3: Cross multiply
    117,722.20x = 176,583.30 × 82,292.80
  4. Step 4: Simplify right side
    117,722.20x = 14,531,534,190.24
  5. Step 5: Solve for x
    x = 14,531,534,190.24/117,722.20
  6. Step 6: Final answer
    x = 123,439.20

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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.