Home / 225,738.19-311,522.22-123,772.96

Finding the Fourth Proportional to 225,738.19, 311,522.22 and 123,772.96

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Solution

The fourth proportional to 225,738.19, 311,522.22 and 123,772.96 is: 170,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,738.19 : 311,522.22 = 123,772.96 : x
  2. Step 2: Convert to fraction form
    225,738.19/311,522.22 = 123,772.96/x
  3. Step 3: Cross multiply
    225,738.19x = 311,522.22 × 123,772.96
  4. Step 4: Simplify right side
    225,738.19x = 38,558,027,275.17
  5. Step 5: Solve for x
    x = 38,558,027,275.17/225,738.19
  6. Step 6: Final answer
    x = 170,808.61

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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.