Home / 641,376.74-961,794.44-192,161.48

Finding the Fourth Proportional to 641,376.74, 961,794.44 and 192,161.48

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Solution

The fourth proportional to 641,376.74, 961,794.44 and 192,161.48 is: 288,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,376.74 : 961,794.44 = 192,161.48 : x
  2. Step 2: Convert to fraction form
    641,376.74/961,794.44 = 192,161.48/x
  3. Step 3: Cross multiply
    641,376.74x = 961,794.44 × 192,161.48
  4. Step 4: Simplify right side
    641,376.74x = 184,819,843,046.17
  5. Step 5: Solve for x
    x = 184,819,843,046.17/641,376.74
  6. Step 6: Final answer
    x = 288,161.13

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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.