Home / 207,581.04-311,371.80-67,350.60

Finding the Fourth Proportional to 207,581.04, 311,371.80 and 67,350.60

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Solution

The fourth proportional to 207,581.04, 311,371.80 and 67,350.60 is: 101,025.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,581.04 : 311,371.80 = 67,350.60 : x
  2. Step 2: Convert to fraction form
    207,581.04/311,371.80 = 67,350.60/x
  3. Step 3: Cross multiply
    207,581.04x = 311,371.80 × 67,350.60
  4. Step 4: Simplify right side
    207,581.04x = 20,971,077,553.08
  5. Step 5: Solve for x
    x = 20,971,077,553.08/207,581.04
  6. Step 6: Final answer
    x = 101,025.98

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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.