Home / 189,806.16-261,922.22-104,917.75

Finding the Fourth Proportional to 189,806.16, 261,922.22 and 104,917.75

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Solution

The fourth proportional to 189,806.16, 261,922.22 and 104,917.75 is: 144,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,806.16 : 261,922.22 = 104,917.75 : x
  2. Step 2: Convert to fraction form
    189,806.16/261,922.22 = 104,917.75/x
  3. Step 3: Cross multiply
    189,806.16x = 261,922.22 × 104,917.75
  4. Step 4: Simplify right side
    189,806.16x = 27,480,289,472.82
  5. Step 5: Solve for x
    x = 27,480,289,472.82/189,806.16
  6. Step 6: Final answer
    x = 144,780.81

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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.