Home / 132,857.20-199,217.40-39,350.80

Finding the Fourth Proportional to 132,857.20, 199,217.40 and 39,350.80

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Solution

The fourth proportional to 132,857.20, 199,217.40 and 39,350.80 is: 59,005.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,857.20 : 199,217.40 = 39,350.80 : x
  2. Step 2: Convert to fraction form
    132,857.20/199,217.40 = 39,350.80/x
  3. Step 3: Cross multiply
    132,857.20x = 199,217.40 × 39,350.80
  4. Step 4: Simplify right side
    132,857.20x = 7,839,364,063.92
  5. Step 5: Solve for x
    x = 7,839,364,063.92/132,857.20
  6. Step 6: Final answer
    x = 59,005.94

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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.