Home / 204,968.24-307,545.78-105,198.50

Finding the Fourth Proportional to 204,968.24, 307,545.78 and 105,198.50

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Solution

The fourth proportional to 204,968.24, 307,545.78 and 105,198.50 is: 157,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,968.24 : 307,545.78 = 105,198.50 : x
  2. Step 2: Convert to fraction form
    204,968.24/307,545.78 = 105,198.50/x
  3. Step 3: Cross multiply
    204,968.24x = 307,545.78 × 105,198.50
  4. Step 4: Simplify right side
    204,968.24x = 32,353,352,673.61
  5. Step 5: Solve for x
    x = 32,353,352,673.61/204,968.24
  6. Step 6: Final answer
    x = 157,845.69

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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.