Home / 641,977.26-963,126-192,706.44

Finding the Fourth Proportional to 641,977.26, 963,126 and 192,706.44

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Solution

The fourth proportional to 641,977.26, 963,126 and 192,706.44 is: 289,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,977.26 : 963,126 = 192,706.44 : x
  2. Step 2: Convert to fraction form
    641,977.26/963,126 = 192,706.44/x
  3. Step 3: Cross multiply
    641,977.26x = 963,126 × 192,706.44
  4. Step 4: Simplify right side
    641,977.26x = 185,600,582,731.44
  5. Step 5: Solve for x
    x = 185,600,582,731.44/641,977.26
  6. Step 6: Final answer
    x = 289,107.72

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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.