Home / 136,192.28-187,961.96-82,496.04

Finding the Fourth Proportional to 136,192.28, 187,961.96 and 82,496.04

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Solution

The fourth proportional to 136,192.28, 187,961.96 and 82,496.04 is: 113,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,192.28 : 187,961.96 = 82,496.04 : x
  2. Step 2: Convert to fraction form
    136,192.28/187,961.96 = 82,496.04/x
  3. Step 3: Cross multiply
    136,192.28x = 187,961.96 × 82,496.04
  4. Step 4: Simplify right side
    136,192.28x = 15,506,117,370.64
  5. Step 5: Solve for x
    x = 15,506,117,370.64/136,192.28
  6. Step 6: Final answer
    x = 113,854.60

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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.