Home / 204,025.20-305,824.26-77,586.42

Finding the Fourth Proportional to 204,025.20, 305,824.26 and 77,586.42

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Solution

The fourth proportional to 204,025.20, 305,824.26 and 77,586.42 is: 116,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,025.20 : 305,824.26 = 77,586.42 : x
  2. Step 2: Convert to fraction form
    204,025.20/305,824.26 = 77,586.42/x
  3. Step 3: Cross multiply
    204,025.20x = 305,824.26 × 77,586.42
  4. Step 4: Simplify right side
    204,025.20x = 23,727,809,482.55
  5. Step 5: Solve for x
    x = 23,727,809,482.55/204,025.20
  6. Step 6: Final answer
    x = 116,298.43

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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.