Home / 131,112.60-196,653.78-36,349.80

Finding the Fourth Proportional to 131,112.60, 196,653.78 and 36,349.80

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Solution

The fourth proportional to 131,112.60, 196,653.78 and 36,349.80 is: 54,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,112.60 : 196,653.78 = 36,349.80 : x
  2. Step 2: Convert to fraction form
    131,112.60/196,653.78 = 36,349.80/x
  3. Step 3: Cross multiply
    131,112.60x = 196,653.78 × 36,349.80
  4. Step 4: Simplify right side
    131,112.60x = 7,148,325,572.24
  5. Step 5: Solve for x
    x = 7,148,325,572.24/131,112.60
  6. Step 6: Final answer
    x = 54,520.51

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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.