Home / 189,414.96-261,391.72-104,537.20

Finding the Fourth Proportional to 189,414.96, 261,391.72 and 104,537.20

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Solution

The fourth proportional to 189,414.96, 261,391.72 and 104,537.20 is: 144,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,414.96 : 261,391.72 = 104,537.20 : x
  2. Step 2: Convert to fraction form
    189,414.96/261,391.72 = 104,537.20/x
  3. Step 3: Cross multiply
    189,414.96x = 261,391.72 × 104,537.20
  4. Step 4: Simplify right side
    189,414.96x = 27,325,158,511.98
  5. Step 5: Solve for x
    x = 27,325,158,511.98/189,414.96
  6. Step 6: Final answer
    x = 144,260.83

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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.