Home / 167,575.76-251,221.94-72,734.66

Finding the Fourth Proportional to 167,575.76, 251,221.94 and 72,734.66

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Solution

The fourth proportional to 167,575.76, 251,221.94 and 72,734.66 is: 109,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,575.76 : 251,221.94 = 72,734.66 : x
  2. Step 2: Convert to fraction form
    167,575.76/251,221.94 = 72,734.66/x
  3. Step 3: Cross multiply
    167,575.76x = 251,221.94 × 72,734.66
  4. Step 4: Simplify right side
    167,575.76x = 18,272,541,985.49
  5. Step 5: Solve for x
    x = 18,272,541,985.49/167,575.76
  6. Step 6: Final answer
    x = 109,040.48

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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.