Home / 279,343.44-385,944.96-194,837.76

Finding the Fourth Proportional to 279,343.44, 385,944.96 and 194,837.76

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Solution

The fourth proportional to 279,343.44, 385,944.96 and 194,837.76 is: 269,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,343.44 : 385,944.96 = 194,837.76 : x
  2. Step 2: Convert to fraction form
    279,343.44/385,944.96 = 194,837.76/x
  3. Step 3: Cross multiply
    279,343.44x = 385,944.96 × 194,837.76
  4. Step 4: Simplify right side
    279,343.44x = 75,196,651,489.69
  5. Step 5: Solve for x
    x = 75,196,651,489.69/279,343.44
  6. Step 6: Final answer
    x = 269,190.68

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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.