Home / 131,268.37-196,893.04-51,291.30

Finding the Fourth Proportional to 131,268.37, 196,893.04 and 51,291.30

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Solution

The fourth proportional to 131,268.37, 196,893.04 and 51,291.30 is: 76,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,268.37 : 196,893.04 = 51,291.30 : x
  2. Step 2: Convert to fraction form
    131,268.37/196,893.04 = 51,291.30/x
  3. Step 3: Cross multiply
    131,268.37x = 196,893.04 × 51,291.30
  4. Step 4: Simplify right side
    131,268.37x = 10,098,899,982.55
  5. Step 5: Solve for x
    x = 10,098,899,982.55/131,268.37
  6. Step 6: Final answer
    x = 76,933.23

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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.