Home / 225,402.49-311,059.26-123,426.33

Finding the Fourth Proportional to 225,402.49, 311,059.26 and 123,426.33

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Solution

The fourth proportional to 225,402.49, 311,059.26 and 123,426.33 is: 170,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,402.49 : 311,059.26 = 123,426.33 : x
  2. Step 2: Convert to fraction form
    225,402.49/311,059.26 = 123,426.33/x
  3. Step 3: Cross multiply
    225,402.49x = 311,059.26 × 123,426.33
  4. Step 4: Simplify right side
    225,402.49x = 38,392,902,874.32
  5. Step 5: Solve for x
    x = 38,392,902,874.32/225,402.49
  6. Step 6: Final answer
    x = 170,330.43

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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.