Home / 132,228.10-182,469.79-71,797.43

Finding the Fourth Proportional to 132,228.10, 182,469.79 and 71,797.43

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Solution

The fourth proportional to 132,228.10, 182,469.79 and 71,797.43 is: 99,077.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,228.10 : 182,469.79 = 71,797.43 : x
  2. Step 2: Convert to fraction form
    132,228.10/182,469.79 = 71,797.43/x
  3. Step 3: Cross multiply
    132,228.10x = 182,469.79 × 71,797.43
  4. Step 4: Simplify right side
    132,228.10x = 13,100,861,974.64
  5. Step 5: Solve for x
    x = 13,100,861,974.64/132,228.10
  6. Step 6: Final answer
    x = 99,077.75

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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.