Home / 132,107.12-198,182.68-43,336.79

Finding the Fourth Proportional to 132,107.12, 198,182.68 and 43,336.79

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Solution

The fourth proportional to 132,107.12, 198,182.68 and 43,336.79 is: 65,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,107.12 : 198,182.68 = 43,336.79 : x
  2. Step 2: Convert to fraction form
    132,107.12/198,182.68 = 43,336.79/x
  3. Step 3: Cross multiply
    132,107.12x = 198,182.68 × 43,336.79
  4. Step 4: Simplify right side
    132,107.12x = 8,588,601,184.80
  5. Step 5: Solve for x
    x = 8,588,601,184.80/132,107.12
  6. Step 6: Final answer
    x = 65,012.40

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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.