Home / 166,730.52-250,142.60-66,960.73

Finding the Fourth Proportional to 166,730.52, 250,142.60 and 66,960.73

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Solution

The fourth proportional to 166,730.52, 250,142.60 and 66,960.73 is: 100,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,730.52 : 250,142.60 = 66,960.73 : x
  2. Step 2: Convert to fraction form
    166,730.52/250,142.60 = 66,960.73/x
  3. Step 3: Cross multiply
    166,730.52x = 250,142.60 × 66,960.73
  4. Step 4: Simplify right side
    166,730.52x = 16,749,731,100.10
  5. Step 5: Solve for x
    x = 16,749,731,100.10/166,730.52
  6. Step 6: Final answer
    x = 100,459.90

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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.