Home / 356,027.62-491,317.74-194,881.22

Finding the Fourth Proportional to 356,027.62, 491,317.74 and 194,881.22

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Solution

The fourth proportional to 356,027.62, 491,317.74 and 194,881.22 is: 268,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,027.62 : 491,317.74 = 194,881.22 : x
  2. Step 2: Convert to fraction form
    356,027.62/491,317.74 = 194,881.22/x
  3. Step 3: Cross multiply
    356,027.62x = 491,317.74 × 194,881.22
  4. Step 4: Simplify right side
    356,027.62x = 95,748,600,578.84
  5. Step 5: Solve for x
    x = 95,748,600,578.84/356,027.62
  6. Step 6: Final answer
    x = 268,935.88

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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.