Home / 131,617.20-197,296.20-65,067.60

Finding the Fourth Proportional to 131,617.20, 197,296.20 and 65,067.60

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Solution

The fourth proportional to 131,617.20, 197,296.20 and 65,067.60 is: 97,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,617.20 : 197,296.20 = 65,067.60 : x
  2. Step 2: Convert to fraction form
    131,617.20/197,296.20 = 65,067.60/x
  3. Step 3: Cross multiply
    131,617.20x = 197,296.20 × 65,067.60
  4. Step 4: Simplify right side
    131,617.20x = 12,837,590,223.12
  5. Step 5: Solve for x
    x = 12,837,590,223.12/131,617.20
  6. Step 6: Final answer
    x = 97,537.33

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1.5x scale

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.