Home / 166,175.94-229,321.63-90,724.44

Finding the Fourth Proportional to 166,175.94, 229,321.63 and 90,724.44

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Solution

The fourth proportional to 166,175.94, 229,321.63 and 90,724.44 is: 125,199.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,175.94 : 229,321.63 = 90,724.44 : x
  2. Step 2: Convert to fraction form
    166,175.94/229,321.63 = 90,724.44/x
  3. Step 3: Cross multiply
    166,175.94x = 229,321.63 × 90,724.44
  4. Step 4: Simplify right side
    166,175.94x = 20,805,076,234.83
  5. Step 5: Solve for x
    x = 20,805,076,234.83/166,175.94
  6. Step 6: Final answer
    x = 125,199.09

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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.