Home / 293,983.62-440,832.78-172,437.36

Finding the Fourth Proportional to 293,983.62, 440,832.78 and 172,437.36

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Solution

The fourth proportional to 293,983.62, 440,832.78 and 172,437.36 is: 258,572.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,983.62 : 440,832.78 = 172,437.36 : x
  2. Step 2: Convert to fraction form
    293,983.62/440,832.78 = 172,437.36/x
  3. Step 3: Cross multiply
    293,983.62x = 440,832.78 × 172,437.36
  4. Step 4: Simplify right side
    293,983.62x = 76,016,040,784.66
  5. Step 5: Solve for x
    x = 76,016,040,784.66/293,983.62
  6. Step 6: Final answer
    x = 258,572.37

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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.