Home / 131,071.14-180,821.48-82,634.96

Finding the Fourth Proportional to 131,071.14, 180,821.48 and 82,634.96

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Solution

The fourth proportional to 131,071.14, 180,821.48 and 82,634.96 is: 114,000.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,071.14 : 180,821.48 = 82,634.96 : x
  2. Step 2: Convert to fraction form
    131,071.14/180,821.48 = 82,634.96/x
  3. Step 3: Cross multiply
    131,071.14x = 180,821.48 × 82,634.96
  4. Step 4: Simplify right side
    131,071.14x = 14,942,175,766.94
  5. Step 5: Solve for x
    x = 14,942,175,766.94/131,071.14
  6. Step 6: Final answer
    x = 114,000.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.