Home / 167,582.40-251,231.97-72,740.85

Finding the Fourth Proportional to 167,582.40, 251,231.97 and 72,740.85

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Solution

The fourth proportional to 167,582.40, 251,231.97 and 72,740.85 is: 109,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,582.40 : 251,231.97 = 72,740.85 : x
  2. Step 2: Convert to fraction form
    167,582.40/251,231.97 = 72,740.85/x
  3. Step 3: Cross multiply
    167,582.40x = 251,231.97 × 72,740.85
  4. Step 4: Simplify right side
    167,582.40x = 18,274,827,044.97
  5. Step 5: Solve for x
    x = 18,274,827,044.97/167,582.40
  6. Step 6: Final answer
    x = 109,049.80

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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.