Home / 350,919.62-484,272.89-189,777.80

Finding the Fourth Proportional to 350,919.62, 484,272.89 and 189,777.80

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Solution

The fourth proportional to 350,919.62, 484,272.89 and 189,777.80 is: 261,895.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,919.62 : 484,272.89 = 189,777.80 : x
  2. Step 2: Convert to fraction form
    350,919.62/484,272.89 = 189,777.80/x
  3. Step 3: Cross multiply
    350,919.62x = 484,272.89 × 189,777.80
  4. Step 4: Simplify right side
    350,919.62x = 91,904,243,663.84
  5. Step 5: Solve for x
    x = 91,904,243,663.84/350,919.62
  6. Step 6: Final answer
    x = 261,895.43

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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.