Home / 201,170.28-277,613.88-109,288.80

Finding the Fourth Proportional to 201,170.28, 277,613.88 and 109,288.80

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Solution

The fourth proportional to 201,170.28, 277,613.88 and 109,288.80 is: 150,817.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,170.28 : 277,613.88 = 109,288.80 : x
  2. Step 2: Convert to fraction form
    201,170.28/277,613.88 = 109,288.80/x
  3. Step 3: Cross multiply
    201,170.28x = 277,613.88 × 109,288.80
  4. Step 4: Simplify right side
    201,170.28x = 30,340,087,808.54
  5. Step 5: Solve for x
    x = 30,340,087,808.54/201,170.28
  6. Step 6: Final answer
    x = 150,817.94

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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.