Home / 180,766.20-271,149.30-117,780.60

Finding the Fourth Proportional to 180,766.20, 271,149.30 and 117,780.60

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Solution

The fourth proportional to 180,766.20, 271,149.30 and 117,780.60 is: 176,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,766.20 : 271,149.30 = 117,780.60 : x
  2. Step 2: Convert to fraction form
    180,766.20/271,149.30 = 117,780.60/x
  3. Step 3: Cross multiply
    180,766.20x = 271,149.30 × 117,780.60
  4. Step 4: Simplify right side
    180,766.20x = 31,936,127,243.58
  5. Step 5: Solve for x
    x = 31,936,127,243.58/180,766.20
  6. Step 6: Final answer
    x = 176,670.90

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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.