Home / 123,414.38-185,128.48-34,660.96

Finding the Fourth Proportional to 123,414.38, 185,128.48 and 34,660.96

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Solution

The fourth proportional to 123,414.38, 185,128.48 and 34,660.96 is: 51,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,414.38 : 185,128.48 = 34,660.96 : x
  2. Step 2: Convert to fraction form
    123,414.38/185,128.48 = 34,660.96/x
  3. Step 3: Cross multiply
    123,414.38x = 185,128.48 × 34,660.96
  4. Step 4: Simplify right side
    123,414.38x = 6,416,730,840.14
  5. Step 5: Solve for x
    x = 6,416,730,840.14/123,414.38
  6. Step 6: Final answer
    x = 51,993.38

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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.