Home / 190,843.43-286,310.09-57,724.79

Finding the Fourth Proportional to 190,843.43, 286,310.09 and 57,724.79

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Solution

The fourth proportional to 190,843.43, 286,310.09 and 57,724.79 is: 86,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,843.43 : 286,310.09 = 57,724.79 : x
  2. Step 2: Convert to fraction form
    190,843.43/286,310.09 = 57,724.79/x
  3. Step 3: Cross multiply
    190,843.43x = 286,310.09 × 57,724.79
  4. Step 4: Simplify right side
    190,843.43x = 16,527,188,532.89
  5. Step 5: Solve for x
    x = 16,527,188,532.89/190,843.43
  6. Step 6: Final answer
    x = 86,600.78

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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.