Home / 166,910.41-250,212.93-72,081.28

Finding the Fourth Proportional to 166,910.41, 250,212.93 and 72,081.28

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Solution

The fourth proportional to 166,910.41, 250,212.93 and 72,081.28 is: 108,055.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,910.41 : 250,212.93 = 72,081.28 : x
  2. Step 2: Convert to fraction form
    166,910.41/250,212.93 = 72,081.28/x
  3. Step 3: Cross multiply
    166,910.41x = 250,212.93 × 72,081.28
  4. Step 4: Simplify right side
    166,910.41x = 18,035,668,266.95
  5. Step 5: Solve for x
    x = 18,035,668,266.95/166,910.41
  6. Step 6: Final answer
    x = 108,055.98

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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.