Home / 293,457.38-405,067.65-172,593.50

Finding the Fourth Proportional to 293,457.38, 405,067.65 and 172,593.50

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Solution

The fourth proportional to 293,457.38, 405,067.65 and 172,593.50 is: 238,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,457.38 : 405,067.65 = 172,593.50 : x
  2. Step 2: Convert to fraction form
    293,457.38/405,067.65 = 172,593.50/x
  3. Step 3: Cross multiply
    293,457.38x = 405,067.65 × 172,593.50
  4. Step 4: Simplify right side
    293,457.38x = 69,912,043,450.28
  5. Step 5: Solve for x
    x = 69,912,043,450.28/293,457.38
  6. Step 6: Final answer
    x = 238,235.77

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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.