Home / 357,083.03-492,773.22-195,940.78

Finding the Fourth Proportional to 357,083.03, 492,773.22 and 195,940.78

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Solution

The fourth proportional to 357,083.03, 492,773.22 and 195,940.78 is: 270,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,083.03 : 492,773.22 = 195,940.78 : x
  2. Step 2: Convert to fraction form
    357,083.03/492,773.22 = 195,940.78/x
  3. Step 3: Cross multiply
    357,083.03x = 492,773.22 × 195,940.78
  4. Step 4: Simplify right side
    357,083.03x = 96,554,367,857.98
  5. Step 5: Solve for x
    x = 96,554,367,857.98/357,083.03
  6. Step 6: Final answer
    x = 270,397.52

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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.