Home / 204,636.42-306,952.47-79,976.34

Finding the Fourth Proportional to 204,636.42, 306,952.47 and 79,976.34

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Solution

The fourth proportional to 204,636.42, 306,952.47 and 79,976.34 is: 119,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,636.42 : 306,952.47 = 79,976.34 : x
  2. Step 2: Convert to fraction form
    204,636.42/306,952.47 = 79,976.34/x
  3. Step 3: Cross multiply
    204,636.42x = 306,952.47 × 79,976.34
  4. Step 4: Simplify right side
    204,636.42x = 24,548,935,104.56
  5. Step 5: Solve for x
    x = 24,548,935,104.56/204,636.42
  6. Step 6: Final answer
    x = 119,963.67

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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.