Home / 136,196.28-187,967.48-82,500.04

Finding the Fourth Proportional to 136,196.28, 187,967.48 and 82,500.04

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Solution

The fourth proportional to 136,196.28, 187,967.48 and 82,500.04 is: 113,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,196.28 : 187,967.48 = 82,500.04 : x
  2. Step 2: Convert to fraction form
    136,196.28/187,967.48 = 82,500.04/x
  3. Step 3: Cross multiply
    136,196.28x = 187,967.48 × 82,500.04
  4. Step 4: Simplify right side
    136,196.28x = 15,507,324,618.70
  5. Step 5: Solve for x
    x = 15,507,324,618.70/136,196.28
  6. Step 6: Final answer
    x = 113,860.12

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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.