Home / 204,724.23-307,086.35-79,977.75

Finding the Fourth Proportional to 204,724.23, 307,086.35 and 79,977.75

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Solution

The fourth proportional to 204,724.23, 307,086.35 and 79,977.75 is: 119,966.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,724.23 : 307,086.35 = 79,977.75 : x
  2. Step 2: Convert to fraction form
    204,724.23/307,086.35 = 79,977.75/x
  3. Step 3: Cross multiply
    204,724.23x = 307,086.35 × 79,977.75
  4. Step 4: Simplify right side
    204,724.23x = 24,560,074,928.82
  5. Step 5: Solve for x
    x = 24,560,074,928.82/204,724.23
  6. Step 6: Final answer
    x = 119,966.63

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1.5x scale

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.