Home / 394,001.58-590,943.38-141,243.90

Finding the Fourth Proportional to 394,001.58, 590,943.38 and 141,243.90

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Solution

The fourth proportional to 394,001.58, 590,943.38 and 141,243.90 is: 211,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,001.58 : 590,943.38 = 141,243.90 : x
  2. Step 2: Convert to fraction form
    394,001.58/590,943.38 = 141,243.90/x
  3. Step 3: Cross multiply
    394,001.58x = 590,943.38 × 141,243.90
  4. Step 4: Simplify right side
    394,001.58x = 83,467,147,670.38
  5. Step 5: Solve for x
    x = 83,467,147,670.38/394,001.58
  6. Step 6: Final answer
    x = 211,844.70

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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.