Home / 641,371.74-961,786.95-192,156.48

Finding the Fourth Proportional to 641,371.74, 961,786.95 and 192,156.48

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Solution

The fourth proportional to 641,371.74, 961,786.95 and 192,156.48 is: 288,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,371.74 : 961,786.95 = 192,156.48 : x
  2. Step 2: Convert to fraction form
    641,371.74/961,786.95 = 192,156.48/x
  3. Step 3: Cross multiply
    641,371.74x = 961,786.95 × 192,156.48
  4. Step 4: Simplify right side
    641,371.74x = 184,813,594,821.94
  5. Step 5: Solve for x
    x = 184,813,594,821.94/641,371.74
  6. Step 6: Final answer
    x = 288,153.63

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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.