Home / 166,999.20-250,280.10-67,077.60

Finding the Fourth Proportional to 166,999.20, 250,280.10 and 67,077.60

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Solution

The fourth proportional to 166,999.20, 250,280.10 and 67,077.60 is: 100,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,999.20 : 250,280.10 = 67,077.60 : x
  2. Step 2: Convert to fraction form
    166,999.20/250,280.10 = 67,077.60/x
  3. Step 3: Cross multiply
    166,999.20x = 250,280.10 × 67,077.60
  4. Step 4: Simplify right side
    166,999.20x = 16,788,188,435.76
  5. Step 5: Solve for x
    x = 16,788,188,435.76/166,999.20
  6. Step 6: Final answer
    x = 100,528.56

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1.5x scale

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.