Home / 118,131.80-177,327.30-73,808.60

Finding the Fourth Proportional to 118,131.80, 177,327.30 and 73,808.60

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Solution

The fourth proportional to 118,131.80, 177,327.30 and 73,808.60 is: 110,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,131.80 : 177,327.30 = 73,808.60 : x
  2. Step 2: Convert to fraction form
    118,131.80/177,327.30 = 73,808.60/x
  3. Step 3: Cross multiply
    118,131.80x = 177,327.30 × 73,808.60
  4. Step 4: Simplify right side
    118,131.80x = 13,088,279,754.78
  5. Step 5: Solve for x
    x = 13,088,279,754.78/118,131.80
  6. Step 6: Final answer
    x = 110,793.87

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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.