Home / 117,771.52-176,249.04-112,872.64

Finding the Fourth Proportional to 117,771.52, 176,249.04 and 112,872.64

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Solution

The fourth proportional to 117,771.52, 176,249.04 and 112,872.64 is: 168,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,771.52 : 176,249.04 = 112,872.64 : x
  2. Step 2: Convert to fraction form
    117,771.52/176,249.04 = 112,872.64/x
  3. Step 3: Cross multiply
    117,771.52x = 176,249.04 × 112,872.64
  4. Step 4: Simplify right side
    117,771.52x = 19,893,694,442.27
  5. Step 5: Solve for x
    x = 19,893,694,442.27/117,771.52
  6. Step 6: Final answer
    x = 168,917.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.