Home / 166,408.72-229,644.14-90,957.22

Finding the Fourth Proportional to 166,408.72, 229,644.14 and 90,957.22

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Solution

The fourth proportional to 166,408.72, 229,644.14 and 90,957.22 is: 125,521.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,408.72 : 229,644.14 = 90,957.22 : x
  2. Step 2: Convert to fraction form
    166,408.72/229,644.14 = 90,957.22/x
  3. Step 3: Cross multiply
    166,408.72x = 229,644.14 × 90,957.22
  4. Step 4: Simplify right side
    166,408.72x = 20,887,792,563.69
  5. Step 5: Solve for x
    x = 20,887,792,563.69/166,408.72
  6. Step 6: Final answer
    x = 125,521.02

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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.