Home / 225,226.47-311,067.63-153,481.94

Finding the Fourth Proportional to 225,226.47, 311,067.63 and 153,481.94

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Solution

The fourth proportional to 225,226.47, 311,067.63 and 153,481.94 is: 211,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,226.47 : 311,067.63 = 153,481.94 : x
  2. Step 2: Convert to fraction form
    225,226.47/311,067.63 = 153,481.94/x
  3. Step 3: Cross multiply
    225,226.47x = 311,067.63 × 153,481.94
  4. Step 4: Simplify right side
    225,226.47x = 47,743,263,323.60
  5. Step 5: Solve for x
    x = 47,743,263,323.60/225,226.47
  6. Step 6: Final answer
    x = 211,978.92

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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.