Home / 131,933.24-197,880.72-43,190.26

Finding the Fourth Proportional to 131,933.24, 197,880.72 and 43,190.26

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Solution

The fourth proportional to 131,933.24, 197,880.72 and 43,190.26 is: 64,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,933.24 : 197,880.72 = 43,190.26 : x
  2. Step 2: Convert to fraction form
    131,933.24/197,880.72 = 43,190.26/x
  3. Step 3: Cross multiply
    131,933.24x = 197,880.72 × 43,190.26
  4. Step 4: Simplify right side
    131,933.24x = 8,546,519,745.79
  5. Step 5: Solve for x
    x = 8,546,519,745.79/131,933.24
  6. Step 6: Final answer
    x = 64,779.12

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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.