Home / 166,644.48-229,968.45-90,163.38

Finding the Fourth Proportional to 166,644.48, 229,968.45 and 90,163.38

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Solution

The fourth proportional to 166,644.48, 229,968.45 and 90,163.38 is: 124,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,644.48 : 229,968.45 = 90,163.38 : x
  2. Step 2: Convert to fraction form
    166,644.48/229,968.45 = 90,163.38/x
  3. Step 3: Cross multiply
    166,644.48x = 229,968.45 × 90,163.38
  4. Step 4: Simplify right side
    166,644.48x = 20,734,732,745.36
  5. Step 5: Solve for x
    x = 20,734,732,745.36/166,644.48
  6. Step 6: Final answer
    x = 124,424.96

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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.