Home / 205,836.31-308,711.26-58,057.75

Finding the Fourth Proportional to 205,836.31, 308,711.26 and 58,057.75

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Solution

The fourth proportional to 205,836.31, 308,711.26 and 58,057.75 is: 87,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,836.31 : 308,711.26 = 58,057.75 : x
  2. Step 2: Convert to fraction form
    205,836.31/308,711.26 = 58,057.75/x
  3. Step 3: Cross multiply
    205,836.31x = 308,711.26 × 58,057.75
  4. Step 4: Simplify right side
    205,836.31x = 17,923,081,155.27
  5. Step 5: Solve for x
    x = 17,923,081,155.27/205,836.31
  6. Step 6: Final answer
    x = 87,074.44

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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.