Home / 225,975.09-311,844.75-124,002.25

Finding the Fourth Proportional to 225,975.09, 311,844.75 and 124,002.25

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Solution

The fourth proportional to 225,975.09, 311,844.75 and 124,002.25 is: 171,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,975.09 : 311,844.75 = 124,002.25 : x
  2. Step 2: Convert to fraction form
    225,975.09/311,844.75 = 124,002.25/x
  3. Step 3: Cross multiply
    225,975.09x = 311,844.75 × 124,002.25
  4. Step 4: Simplify right side
    225,975.09x = 38,669,451,329.40
  5. Step 5: Solve for x
    x = 38,669,451,329.40/225,975.09
  6. Step 6: Final answer
    x = 171,122.63

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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.