Home / 132,815.60-199,214.76-53,936.72

Finding the Fourth Proportional to 132,815.60, 199,214.76 and 53,936.72

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Solution

The fourth proportional to 132,815.60, 199,214.76 and 53,936.72 is: 80,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,815.60 : 199,214.76 = 53,936.72 : x
  2. Step 2: Convert to fraction form
    132,815.60/199,214.76 = 53,936.72/x
  3. Step 3: Cross multiply
    132,815.60x = 199,214.76 × 53,936.72
  4. Step 4: Simplify right side
    132,815.60x = 10,744,990,729.99
  5. Step 5: Solve for x
    x = 10,744,990,729.99/132,815.60
  6. Step 6: Final answer
    x = 80,901.57

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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.