Home / 277,329.24-415,961.73-77,665.59

Finding the Fourth Proportional to 277,329.24, 415,961.73 and 77,665.59

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Solution

The fourth proportional to 277,329.24, 415,961.73 and 77,665.59 is: 116,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,329.24 : 415,961.73 = 77,665.59 : x
  2. Step 2: Convert to fraction form
    277,329.24/415,961.73 = 77,665.59/x
  3. Step 3: Cross multiply
    277,329.24x = 415,961.73 × 77,665.59
  4. Step 4: Simplify right side
    277,329.24x = 32,305,913,177.87
  5. Step 5: Solve for x
    x = 32,305,913,177.87/277,329.24
  6. Step 6: Final answer
    x = 116,489.39

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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.