Home / 357,139.69-492,837.26-195,997.43

Finding the Fourth Proportional to 357,139.69, 492,837.26 and 195,997.43

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Solution

The fourth proportional to 357,139.69, 492,837.26 and 195,997.43 is: 270,467.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,139.69 : 492,837.26 = 195,997.43 : x
  2. Step 2: Convert to fraction form
    357,139.69/492,837.26 = 195,997.43/x
  3. Step 3: Cross multiply
    357,139.69x = 492,837.26 × 195,997.43
  4. Step 4: Simplify right side
    357,139.69x = 96,594,836,620.35
  5. Step 5: Solve for x
    x = 96,594,836,620.35/357,139.69
  6. Step 6: Final answer
    x = 270,467.94

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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.