Home / 189,826.90-262,027.09-109,286.52

Finding the Fourth Proportional to 189,826.90, 262,027.09 and 109,286.52

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Solution

The fourth proportional to 189,826.90, 262,027.09 and 109,286.52 is: 150,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,826.90 : 262,027.09 = 109,286.52 : x
  2. Step 2: Convert to fraction form
    189,826.90/262,027.09 = 109,286.52/x
  3. Step 3: Cross multiply
    189,826.90x = 262,027.09 × 109,286.52
  4. Step 4: Simplify right side
    189,826.90x = 28,636,028,811.83
  5. Step 5: Solve for x
    x = 28,636,028,811.83/189,826.90
  6. Step 6: Final answer
    x = 150,853.38

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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.