Home / 293,156.21-404,565.47-172,295.78

Finding the Fourth Proportional to 293,156.21, 404,565.47 and 172,295.78

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Solution

The fourth proportional to 293,156.21, 404,565.47 and 172,295.78 is: 237,773.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,156.21 : 404,565.47 = 172,295.78 : x
  2. Step 2: Convert to fraction form
    293,156.21/404,565.47 = 172,295.78/x
  3. Step 3: Cross multiply
    293,156.21x = 404,565.47 × 172,295.78
  4. Step 4: Simplify right side
    293,156.21x = 69,704,920,976.52
  5. Step 5: Solve for x
    x = 69,704,920,976.52/293,156.21
  6. Step 6: Final answer
    x = 237,773.99

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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.