Home / 172,846.20-259,658.10-166,236.60

Finding the Fourth Proportional to 172,846.20, 259,658.10 and 166,236.60

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Solution

The fourth proportional to 172,846.20, 259,658.10 and 166,236.60 is: 249,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,846.20 : 259,658.10 = 166,236.60 : x
  2. Step 2: Convert to fraction form
    172,846.20/259,658.10 = 166,236.60/x
  3. Step 3: Cross multiply
    172,846.20x = 259,658.10 × 166,236.60
  4. Step 4: Simplify right side
    172,846.20x = 43,164,679,706.46
  5. Step 5: Solve for x
    x = 43,164,679,706.46/172,846.20
  6. Step 6: Final answer
    x = 249,728.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.