Home / 189,827.73-261,954.14-109,200.33

Finding the Fourth Proportional to 189,827.73, 261,954.14 and 109,200.33

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Solution

The fourth proportional to 189,827.73, 261,954.14 and 109,200.33 is: 150,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,827.73 : 261,954.14 = 109,200.33 : x
  2. Step 2: Convert to fraction form
    189,827.73/261,954.14 = 109,200.33/x
  3. Step 3: Cross multiply
    189,827.73x = 261,954.14 × 109,200.33
  4. Step 4: Simplify right side
    189,827.73x = 28,605,477,986.86
  5. Step 5: Solve for x
    x = 28,605,477,986.86/189,827.73
  6. Step 6: Final answer
    x = 150,691.78

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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.