Home / 131,032.20-196,581.42-52,146.12

Finding the Fourth Proportional to 131,032.20, 196,581.42 and 52,146.12

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Solution

The fourth proportional to 131,032.20, 196,581.42 and 52,146.12 is: 78,232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,032.20 : 196,581.42 = 52,146.12 : x
  2. Step 2: Convert to fraction form
    131,032.20/196,581.42 = 52,146.12/x
  3. Step 3: Cross multiply
    131,032.20x = 196,581.42 × 52,146.12
  4. Step 4: Simplify right side
    131,032.20x = 10,250,958,317.09
  5. Step 5: Solve for x
    x = 10,250,958,317.09/131,032.20
  6. Step 6: Final answer
    x = 78,232.36

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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.