Home / 118,375.40-177,563.10-48,218.60

Finding the Fourth Proportional to 118,375.40, 177,563.10 and 48,218.60

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Solution

The fourth proportional to 118,375.40, 177,563.10 and 48,218.60 is: 72,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,375.40 : 177,563.10 = 48,218.60 : x
  2. Step 2: Convert to fraction form
    118,375.40/177,563.10 = 48,218.60/x
  3. Step 3: Cross multiply
    118,375.40x = 177,563.10 × 48,218.60
  4. Step 4: Simplify right side
    118,375.40x = 8,561,844,093.66
  5. Step 5: Solve for x
    x = 8,561,844,093.66/118,375.40
  6. Step 6: Final answer
    x = 72,327.90

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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.