Home / 165,639.92-228,603.66-94,043.12

Finding the Fourth Proportional to 165,639.92, 228,603.66 and 94,043.12

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Solution

The fourth proportional to 165,639.92, 228,603.66 and 94,043.12 is: 129,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,639.92 : 228,603.66 = 94,043.12 : x
  2. Step 2: Convert to fraction form
    165,639.92/228,603.66 = 94,043.12/x
  3. Step 3: Cross multiply
    165,639.92x = 228,603.66 × 94,043.12
  4. Step 4: Simplify right side
    165,639.92x = 21,498,601,429.82
  5. Step 5: Solve for x
    x = 21,498,601,429.82/165,639.92
  6. Step 6: Final answer
    x = 129,791.18

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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.