Home / 167,581.90-251,231.22-72,740.35

Finding the Fourth Proportional to 167,581.90, 251,231.22 and 72,740.35

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Solution

The fourth proportional to 167,581.90, 251,231.22 and 72,740.35 is: 109,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,581.90 : 251,231.22 = 72,740.35 : x
  2. Step 2: Convert to fraction form
    167,581.90/251,231.22 = 72,740.35/x
  3. Step 3: Cross multiply
    167,581.90x = 251,231.22 × 72,740.35
  4. Step 4: Simplify right side
    167,581.90x = 18,274,646,873.73
  5. Step 5: Solve for x
    x = 18,274,646,873.73/167,581.90
  6. Step 6: Final answer
    x = 109,049.05

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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.