Home / 293,654.25-405,208.49-172,768.95

Finding the Fourth Proportional to 293,654.25, 405,208.49 and 172,768.95

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Solution

The fourth proportional to 293,654.25, 405,208.49 and 172,768.95 is: 238,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,654.25 : 405,208.49 = 172,768.95 : x
  2. Step 2: Convert to fraction form
    293,654.25/405,208.49 = 172,768.95/x
  3. Step 3: Cross multiply
    293,654.25x = 405,208.49 × 172,768.95
  4. Step 4: Simplify right side
    293,654.25x = 70,007,444,484.54
  5. Step 5: Solve for x
    x = 70,007,444,484.54/293,654.25
  6. Step 6: Final answer
    x = 238,400.92

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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.