Home / 167,815.40-251,723.10-159,650.60

Finding the Fourth Proportional to 167,815.40, 251,723.10 and 159,650.60

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Solution

The fourth proportional to 167,815.40, 251,723.10 and 159,650.60 is: 239,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,815.40 : 251,723.10 = 159,650.60 : x
  2. Step 2: Convert to fraction form
    167,815.40/251,723.10 = 159,650.60/x
  3. Step 3: Cross multiply
    167,815.40x = 251,723.10 × 159,650.60
  4. Step 4: Simplify right side
    167,815.40x = 40,187,743,948.86
  5. Step 5: Solve for x
    x = 40,187,743,948.86/167,815.40
  6. Step 6: Final answer
    x = 239,475.90

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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.