Home / 189,734.78-261,823.72-104,846.38

Finding the Fourth Proportional to 189,734.78, 261,823.72 and 104,846.38

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Solution

The fourth proportional to 189,734.78, 261,823.72 and 104,846.38 is: 144,682.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,734.78 : 261,823.72 = 104,846.38 : x
  2. Step 2: Convert to fraction form
    189,734.78/261,823.72 = 104,846.38/x
  3. Step 3: Cross multiply
    189,734.78x = 261,823.72 × 104,846.38
  4. Step 4: Simplify right side
    189,734.78x = 27,451,269,240.13
  5. Step 5: Solve for x
    x = 27,451,269,240.13/189,734.78
  6. Step 6: Final answer
    x = 144,682.33

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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.