Home / 221,584.64-305,933.44-136,826.24

Finding the Fourth Proportional to 221,584.64, 305,933.44 and 136,826.24

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Solution

The fourth proportional to 221,584.64, 305,933.44 and 136,826.24 is: 188,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,584.64 : 305,933.44 = 136,826.24 : x
  2. Step 2: Convert to fraction form
    221,584.64/305,933.44 = 136,826.24/x
  3. Step 3: Cross multiply
    221,584.64x = 305,933.44 × 136,826.24
  4. Step 4: Simplify right side
    221,584.64x = 41,859,722,285.47
  5. Step 5: Solve for x
    x = 41,859,722,285.47/221,584.64
  6. Step 6: Final answer
    x = 188,910.76

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1.5x scale

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.