Home / 192,771.09-265,992.37-121,100.36

Finding the Fourth Proportional to 192,771.09, 265,992.37 and 121,100.36

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Solution

The fourth proportional to 192,771.09, 265,992.37 and 121,100.36 is: 167,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,771.09 : 265,992.37 = 121,100.36 : x
  2. Step 2: Convert to fraction form
    192,771.09/265,992.37 = 121,100.36/x
  3. Step 3: Cross multiply
    192,771.09x = 265,992.37 × 121,100.36
  4. Step 4: Simplify right side
    192,771.09x = 32,211,769,828.79
  5. Step 5: Solve for x
    x = 32,211,769,828.79/192,771.09
  6. Step 6: Final answer
    x = 167,098.55

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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.