Home / 221,716.26-305,992.74-126,207.54

Finding the Fourth Proportional to 221,716.26, 305,992.74 and 126,207.54

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Solution

The fourth proportional to 221,716.26, 305,992.74 and 126,207.54 is: 174,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,716.26 : 305,992.74 = 126,207.54 : x
  2. Step 2: Convert to fraction form
    221,716.26/305,992.74 = 126,207.54/x
  3. Step 3: Cross multiply
    221,716.26x = 305,992.74 × 126,207.54
  4. Step 4: Simplify right side
    221,716.26x = 38,618,590,973.26
  5. Step 5: Solve for x
    x = 38,618,590,973.26/221,716.26
  6. Step 6: Final answer
    x = 174,180.24

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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.