Home / 166,448.79-229,700.25-90,997.29

Finding the Fourth Proportional to 166,448.79, 229,700.25 and 90,997.29

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Solution

The fourth proportional to 166,448.79, 229,700.25 and 90,997.29 is: 125,576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,448.79 : 229,700.25 = 90,997.29 : x
  2. Step 2: Convert to fraction form
    166,448.79/229,700.25 = 90,997.29/x
  3. Step 3: Cross multiply
    166,448.79x = 229,700.25 × 90,997.29
  4. Step 4: Simplify right side
    166,448.79x = 20,902,100,262.32
  5. Step 5: Solve for x
    x = 20,902,100,262.32/166,448.79
  6. Step 6: Final answer
    x = 125,576.76

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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.