Home / 167,486.88-251,250.96-55,138.32

Finding the Fourth Proportional to 167,486.88, 251,250.96 and 55,138.32

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Solution

The fourth proportional to 167,486.88, 251,250.96 and 55,138.32 is: 82,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,486.88 : 251,250.96 = 55,138.32 : x
  2. Step 2: Convert to fraction form
    167,486.88/251,250.96 = 55,138.32/x
  3. Step 3: Cross multiply
    167,486.88x = 251,250.96 × 55,138.32
  4. Step 4: Simplify right side
    167,486.88x = 13,853,555,832.79
  5. Step 5: Solve for x
    x = 13,853,555,832.79/167,486.88
  6. Step 6: Final answer
    x = 82,714.27

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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.