Home / 131,845.80-197,768.70-117,330.60

Finding the Fourth Proportional to 131,845.80, 197,768.70 and 117,330.60

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Solution

The fourth proportional to 131,845.80, 197,768.70 and 117,330.60 is: 175,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,845.80 : 197,768.70 = 117,330.60 : x
  2. Step 2: Convert to fraction form
    131,845.80/197,768.70 = 117,330.60/x
  3. Step 3: Cross multiply
    131,845.80x = 197,768.70 × 117,330.60
  4. Step 4: Simplify right side
    131,845.80x = 23,204,320,232.22
  5. Step 5: Solve for x
    x = 23,204,320,232.22/131,845.80
  6. Step 6: Final answer
    x = 175,995.90

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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.