Home / 289,037.38-433,517.71-131,229.54

Finding the Fourth Proportional to 289,037.38, 433,517.71 and 131,229.54

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Solution

The fourth proportional to 289,037.38, 433,517.71 and 131,229.54 is: 196,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,037.38 : 433,517.71 = 131,229.54 : x
  2. Step 2: Convert to fraction form
    289,037.38/433,517.71 = 131,229.54/x
  3. Step 3: Cross multiply
    289,037.38x = 433,517.71 × 131,229.54
  4. Step 4: Simplify right side
    289,037.38x = 56,890,329,665.15
  5. Step 5: Solve for x
    x = 56,890,329,665.15/289,037.38
  6. Step 6: Final answer
    x = 196,826.89

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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.