Home / 131,268.60-196,676.10-61,003.80

Finding the Fourth Proportional to 131,268.60, 196,676.10 and 61,003.80

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Solution

The fourth proportional to 131,268.60, 196,676.10 and 61,003.80 is: 91,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,268.60 : 196,676.10 = 61,003.80 : x
  2. Step 2: Convert to fraction form
    131,268.60/196,676.10 = 61,003.80/x
  3. Step 3: Cross multiply
    131,268.60x = 196,676.10 × 61,003.80
  4. Step 4: Simplify right side
    131,268.60x = 11,997,989,469.18
  5. Step 5: Solve for x
    x = 11,997,989,469.18/131,268.60
  6. Step 6: Final answer
    x = 91,400.30

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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.