Home / 131,043.06-196,640.76-55,136.04

Finding the Fourth Proportional to 131,043.06, 196,640.76 and 55,136.04

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Solution

The fourth proportional to 131,043.06, 196,640.76 and 55,136.04 is: 82,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,043.06 : 196,640.76 = 55,136.04 : x
  2. Step 2: Convert to fraction form
    131,043.06/196,640.76 = 55,136.04/x
  3. Step 3: Cross multiply
    131,043.06x = 196,640.76 × 55,136.04
  4. Step 4: Simplify right side
    131,043.06x = 10,841,992,808.99
  5. Step 5: Solve for x
    x = 10,841,992,808.99/131,043.06
  6. Step 6: Final answer
    x = 82,736.11

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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.