Home / 136,177.55-187,930.37-82,432.16

Finding the Fourth Proportional to 136,177.55, 187,930.37 and 82,432.16

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Solution

The fourth proportional to 136,177.55, 187,930.37 and 82,432.16 is: 113,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,177.55 : 187,930.37 = 82,432.16 : x
  2. Step 2: Convert to fraction form
    136,177.55/187,930.37 = 82,432.16/x
  3. Step 3: Cross multiply
    136,177.55x = 187,930.37 × 82,432.16
  4. Step 4: Simplify right side
    136,177.55x = 15,491,505,916.54
  5. Step 5: Solve for x
    x = 15,491,505,916.54/136,177.55
  6. Step 6: Final answer
    x = 113,759.62

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1.5x scale

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.