Home / 189,827.15-262,027.43-109,286.77

Finding the Fourth Proportional to 189,827.15, 262,027.43 and 109,286.77

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Solution

The fourth proportional to 189,827.15, 262,027.43 and 109,286.77 is: 150,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,827.15 : 262,027.43 = 109,286.77 : x
  2. Step 2: Convert to fraction form
    189,827.15/262,027.43 = 109,286.77/x
  3. Step 3: Cross multiply
    189,827.15x = 262,027.43 × 109,286.77
  4. Step 4: Simplify right side
    189,827.15x = 28,636,131,476.10
  5. Step 5: Solve for x
    x = 28,636,131,476.10/189,827.15
  6. Step 6: Final answer
    x = 150,853.72

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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.