Home / 168,401.76-251,961.12-149,739.36

Finding the Fourth Proportional to 168,401.76, 251,961.12 and 149,739.36

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Solution

The fourth proportional to 168,401.76, 251,961.12 and 149,739.36 is: 224,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,401.76 : 251,961.12 = 149,739.36 : x
  2. Step 2: Convert to fraction form
    168,401.76/251,961.12 = 149,739.36/x
  3. Step 3: Cross multiply
    168,401.76x = 251,961.12 × 149,739.36
  4. Step 4: Simplify right side
    168,401.76x = 37,728,496,853.68
  5. Step 5: Solve for x
    x = 37,728,496,853.68/168,401.76
  6. Step 6: Final answer
    x = 224,038.61

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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.