Home / 308,163.18-462,244.77-83,523.61

Finding the Fourth Proportional to 308,163.18, 462,244.77 and 83,523.61

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Solution

The fourth proportional to 308,163.18, 462,244.77 and 83,523.61 is: 125,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,163.18 : 462,244.77 = 83,523.61 : x
  2. Step 2: Convert to fraction form
    308,163.18/462,244.77 = 83,523.61/x
  3. Step 3: Cross multiply
    308,163.18x = 462,244.77 × 83,523.61
  4. Step 4: Simplify right side
    308,163.18x = 38,608,352,471.83
  5. Step 5: Solve for x
    x = 38,608,352,471.83/308,163.18
  6. Step 6: Final answer
    x = 125,285.42

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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.