Home / 207,863.03-311,014.50-123,313.61

Finding the Fourth Proportional to 207,863.03, 311,014.50 and 123,313.61

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Solution

The fourth proportional to 207,863.03, 311,014.50 and 123,313.61 is: 184,507.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,863.03 : 311,014.50 = 123,313.61 : x
  2. Step 2: Convert to fraction form
    207,863.03/311,014.50 = 123,313.61/x
  3. Step 3: Cross multiply
    207,863.03x = 311,014.50 × 123,313.61
  4. Step 4: Simplify right side
    207,863.03x = 38,352,320,757.35
  5. Step 5: Solve for x
    x = 38,352,320,757.35/207,863.03
  6. Step 6: Final answer
    x = 184,507.66

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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.