Home / 204,774.81-307,141.46-54,995.64

Finding the Fourth Proportional to 204,774.81, 307,141.46 and 54,995.64

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Solution

The fourth proportional to 204,774.81, 307,141.46 and 54,995.64 is: 82,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,774.81 : 307,141.46 = 54,995.64 : x
  2. Step 2: Convert to fraction form
    204,774.81/307,141.46 = 54,995.64/x
  3. Step 3: Cross multiply
    204,774.81x = 307,141.46 × 54,995.64
  4. Step 4: Simplify right side
    204,774.81x = 16,891,441,163.23
  5. Step 5: Solve for x
    x = 16,891,441,163.23/204,774.81
  6. Step 6: Final answer
    x = 82,487.89

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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.