Home / 146,189.19-219,107.17-71,196.96

Finding the Fourth Proportional to 146,189.19, 219,107.17 and 71,196.96

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Solution

The fourth proportional to 146,189.19, 219,107.17 and 71,196.96 is: 106,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,189.19 : 219,107.17 = 71,196.96 : x
  2. Step 2: Convert to fraction form
    146,189.19/219,107.17 = 71,196.96/x
  3. Step 3: Cross multiply
    146,189.19x = 219,107.17 × 71,196.96
  4. Step 4: Simplify right side
    146,189.19x = 15,599,764,418.20
  5. Step 5: Solve for x
    x = 15,599,764,418.20/146,189.19
  6. Step 6: Final answer
    x = 106,709.43

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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.