Home / 356,921.91-492,552.90-195,778.26

Finding the Fourth Proportional to 356,921.91, 492,552.90 and 195,778.26

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Solution

The fourth proportional to 356,921.91, 492,552.90 and 195,778.26 is: 270,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,921.91 : 492,552.90 = 195,778.26 : x
  2. Step 2: Convert to fraction form
    356,921.91/492,552.90 = 195,778.26/x
  3. Step 3: Cross multiply
    356,921.91x = 492,552.90 × 195,778.26
  4. Step 4: Simplify right side
    356,921.91x = 96,431,149,719.95
  5. Step 5: Solve for x
    x = 96,431,149,719.95/356,921.91
  6. Step 6: Final answer
    x = 270,174.36

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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.