Home / 227,212.82-313,571.77-125,256.42

Finding the Fourth Proportional to 227,212.82, 313,571.77 and 125,256.42

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Solution

The fourth proportional to 227,212.82, 313,571.77 and 125,256.42 is: 172,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,212.82 : 313,571.77 = 125,256.42 : x
  2. Step 2: Convert to fraction form
    227,212.82/313,571.77 = 125,256.42/x
  3. Step 3: Cross multiply
    227,212.82x = 313,571.77 × 125,256.42
  4. Step 4: Simplify right side
    227,212.82x = 39,276,877,323.26
  5. Step 5: Solve for x
    x = 39,276,877,323.26/227,212.82
  6. Step 6: Final answer
    x = 172,863.83

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1.5x scale

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.