Home / 117,940.78-162,917.52-94,233.70

Finding the Fourth Proportional to 117,940.78, 162,917.52 and 94,233.70

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Solution

The fourth proportional to 117,940.78, 162,917.52 and 94,233.70 is: 130,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,940.78 : 162,917.52 = 94,233.70 : x
  2. Step 2: Convert to fraction form
    117,940.78/162,917.52 = 94,233.70/x
  3. Step 3: Cross multiply
    117,940.78x = 162,917.52 × 94,233.70
  4. Step 4: Simplify right side
    117,940.78x = 15,352,320,704.42
  5. Step 5: Solve for x
    x = 15,352,320,704.42/117,940.78
  6. Step 6: Final answer
    x = 130,169.74

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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.