Home / 131,102.20-196,653.30-116,327.80

Finding the Fourth Proportional to 131,102.20, 196,653.30 and 116,327.80

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Solution

The fourth proportional to 131,102.20, 196,653.30 and 116,327.80 is: 174,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,102.20 : 196,653.30 = 116,327.80 : x
  2. Step 2: Convert to fraction form
    131,102.20/196,653.30 = 116,327.80/x
  3. Step 3: Cross multiply
    131,102.20x = 196,653.30 × 116,327.80
  4. Step 4: Simplify right side
    131,102.20x = 22,876,245,751.74
  5. Step 5: Solve for x
    x = 22,876,245,751.74/131,102.20
  6. Step 6: Final answer
    x = 174,491.70

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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.