Home / 166,383.44-229,614.81-90,936.80

Finding the Fourth Proportional to 166,383.44, 229,614.81 and 90,936.80

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Solution

The fourth proportional to 166,383.44, 229,614.81 and 90,936.80 is: 125,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,383.44 : 229,614.81 = 90,936.80 : x
  2. Step 2: Convert to fraction form
    166,383.44/229,614.81 = 90,936.80/x
  3. Step 3: Cross multiply
    166,383.44x = 229,614.81 × 90,936.80
  4. Step 4: Simplify right side
    166,383.44x = 20,880,436,054.01
  5. Step 5: Solve for x
    x = 20,880,436,054.01/166,383.44
  6. Step 6: Final answer
    x = 125,495.88

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1.5x scale

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.