Home / 207,380.56-311,006.04-67,110.16

Finding the Fourth Proportional to 207,380.56, 311,006.04 and 67,110.16

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Solution

The fourth proportional to 207,380.56, 311,006.04 and 67,110.16 is: 100,644.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,380.56 : 311,006.04 = 67,110.16 : x
  2. Step 2: Convert to fraction form
    207,380.56/311,006.04 = 67,110.16/x
  3. Step 3: Cross multiply
    207,380.56x = 311,006.04 × 67,110.16
  4. Step 4: Simplify right side
    207,380.56x = 20,871,665,105.37
  5. Step 5: Solve for x
    x = 20,871,665,105.37/207,380.56
  6. Step 6: Final answer
    x = 100,644.27

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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.