Home / 213,569.19-294,640.73-122,876.36

Finding the Fourth Proportional to 213,569.19, 294,640.73 and 122,876.36

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Solution

The fourth proportional to 213,569.19, 294,640.73 and 122,876.36 is: 169,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,569.19 : 294,640.73 = 122,876.36 : x
  2. Step 2: Convert to fraction form
    213,569.19/294,640.73 = 122,876.36/x
  3. Step 3: Cross multiply
    213,569.19x = 294,640.73 × 122,876.36
  4. Step 4: Simplify right side
    213,569.19x = 36,204,378,322.56
  5. Step 5: Solve for x
    x = 36,204,378,322.56/213,569.19
  6. Step 6: Final answer
    x = 169,520.61

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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.