Home / 192,771.13-265,992.52-121,100.41

Finding the Fourth Proportional to 192,771.13, 265,992.52 and 121,100.41

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Solution

The fourth proportional to 192,771.13, 265,992.52 and 121,100.41 is: 167,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,771.13 : 265,992.52 = 121,100.41 : x
  2. Step 2: Convert to fraction form
    192,771.13/265,992.52 = 121,100.41/x
  3. Step 3: Cross multiply
    192,771.13x = 265,992.52 × 121,100.41
  4. Step 4: Simplify right side
    192,771.13x = 32,211,803,228.93
  5. Step 5: Solve for x
    x = 32,211,803,228.93/192,771.13
  6. Step 6: Final answer
    x = 167,098.69

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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.