Home / 120,901.55-166,753.62-73,093.73

Finding the Fourth Proportional to 120,901.55, 166,753.62 and 73,093.73

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Solution

The fourth proportional to 120,901.55, 166,753.62 and 73,093.73 is: 100,814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,901.55 : 166,753.62 = 73,093.73 : x
  2. Step 2: Convert to fraction form
    120,901.55/166,753.62 = 73,093.73/x
  3. Step 3: Cross multiply
    120,901.55x = 166,753.62 × 73,093.73
  4. Step 4: Simplify right side
    120,901.55x = 12,188,643,243.03
  5. Step 5: Solve for x
    x = 12,188,643,243.03/120,901.55
  6. Step 6: Final answer
    x = 100,814.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.