Home / 200,059.12-276,077.70-109,414.80

Finding the Fourth Proportional to 200,059.12, 276,077.70 and 109,414.80

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Solution

The fourth proportional to 200,059.12, 276,077.70 and 109,414.80 is: 150,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,059.12 : 276,077.70 = 109,414.80 : x
  2. Step 2: Convert to fraction form
    200,059.12/276,077.70 = 109,414.80/x
  3. Step 3: Cross multiply
    200,059.12x = 276,077.70 × 109,414.80
  4. Step 4: Simplify right side
    200,059.12x = 30,206,986,329.96
  5. Step 5: Solve for x
    x = 30,206,986,329.96/200,059.12
  6. Step 6: Final answer
    x = 150,990.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.