Home / 225,548.43-311,242.24-123,573.75

Finding the Fourth Proportional to 225,548.43, 311,242.24 and 123,573.75

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Solution

The fourth proportional to 225,548.43, 311,242.24 and 123,573.75 is: 170,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,548.43 : 311,242.24 = 123,573.75 : x
  2. Step 2: Convert to fraction form
    225,548.43/311,242.24 = 123,573.75/x
  3. Step 3: Cross multiply
    225,548.43x = 311,242.24 × 123,573.75
  4. Step 4: Simplify right side
    225,548.43x = 38,461,370,755.20
  5. Step 5: Solve for x
    x = 38,461,370,755.20/225,548.43
  6. Step 6: Final answer
    x = 170,523.78

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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.