Home / 192,976.48-289,578.66-107,659

Finding the Fourth Proportional to 192,976.48, 289,578.66 and 107,659

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Solution

The fourth proportional to 192,976.48, 289,578.66 and 107,659 is: 161,552.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,976.48 : 289,578.66 = 107,659 : x
  2. Step 2: Convert to fraction form
    192,976.48/289,578.66 = 107,659/x
  3. Step 3: Cross multiply
    192,976.48x = 289,578.66 × 107,659
  4. Step 4: Simplify right side
    192,976.48x = 31,175,748,956.94
  5. Step 5: Solve for x
    x = 31,175,748,956.94/192,976.48
  6. Step 6: Final answer
    x = 161,552.07

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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.