Home / 225,981.38-311,843.75-124,004.27

Finding the Fourth Proportional to 225,981.38, 311,843.75 and 124,004.27

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Solution

The fourth proportional to 225,981.38, 311,843.75 and 124,004.27 is: 171,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,981.38 : 311,843.75 = 124,004.27 : x
  2. Step 2: Convert to fraction form
    225,981.38/311,843.75 = 124,004.27/x
  3. Step 3: Cross multiply
    225,981.38x = 311,843.75 × 124,004.27
  4. Step 4: Simplify right side
    225,981.38x = 38,669,956,732.40
  5. Step 5: Solve for x
    x = 38,669,956,732.40/225,981.38
  6. Step 6: Final answer
    x = 171,120.10

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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.