Home / 131,481.08-197,396.58-69,195.32

Finding the Fourth Proportional to 131,481.08, 197,396.58 and 69,195.32

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Solution

The fourth proportional to 131,481.08, 197,396.58 and 69,195.32 is: 103,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,481.08 : 197,396.58 = 69,195.32 : x
  2. Step 2: Convert to fraction form
    131,481.08/197,396.58 = 69,195.32/x
  3. Step 3: Cross multiply
    131,481.08x = 197,396.58 × 69,195.32
  4. Step 4: Simplify right side
    131,481.08x = 13,658,919,520.01
  5. Step 5: Solve for x
    x = 13,658,919,520.01/131,481.08
  6. Step 6: Final answer
    x = 103,885.06

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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.