Home / 225,929.19-311,785.46-123,952.80

Finding the Fourth Proportional to 225,929.19, 311,785.46 and 123,952.80

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Solution

The fourth proportional to 225,929.19, 311,785.46 and 123,952.80 is: 171,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,929.19 : 311,785.46 = 123,952.80 : x
  2. Step 2: Convert to fraction form
    225,929.19/311,785.46 = 123,952.80/x
  3. Step 3: Cross multiply
    225,929.19x = 311,785.46 × 123,952.80
  4. Step 4: Simplify right side
    225,929.19x = 38,646,680,723.98
  5. Step 5: Solve for x
    x = 38,646,680,723.98/225,929.19
  6. Step 6: Final answer
    x = 171,056.61

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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.