Home / 208,982.52-288,379.89-122,944.92

Finding the Fourth Proportional to 208,982.52, 288,379.89 and 122,944.92

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Solution

The fourth proportional to 208,982.52, 288,379.89 and 122,944.92 is: 169,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,982.52 : 288,379.89 = 122,944.92 : x
  2. Step 2: Convert to fraction form
    208,982.52/288,379.89 = 122,944.92/x
  3. Step 3: Cross multiply
    208,982.52x = 288,379.89 × 122,944.92
  4. Step 4: Simplify right side
    208,982.52x = 35,454,842,505.66
  5. Step 5: Solve for x
    x = 35,454,842,505.66/208,982.52
  6. Step 6: Final answer
    x = 169,654.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.