Home / 192,917.43-289,418.40-64,829.16

Finding the Fourth Proportional to 192,917.43, 289,418.40 and 64,829.16

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Solution

The fourth proportional to 192,917.43, 289,418.40 and 64,829.16 is: 97,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,917.43 : 289,418.40 = 64,829.16 : x
  2. Step 2: Convert to fraction form
    192,917.43/289,418.40 = 64,829.16/x
  3. Step 3: Cross multiply
    192,917.43x = 289,418.40 × 64,829.16
  4. Step 4: Simplify right side
    192,917.43x = 18,762,751,760.54
  5. Step 5: Solve for x
    x = 18,762,751,760.54/192,917.43
  6. Step 6: Final answer
    x = 97,257.94

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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.