Home / 221,217.36-331,827.32-55,005.36

Finding the Fourth Proportional to 221,217.36, 331,827.32 and 55,005.36

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Solution

The fourth proportional to 221,217.36, 331,827.32 and 55,005.36 is: 82,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,217.36 : 331,827.32 = 55,005.36 : x
  2. Step 2: Convert to fraction form
    221,217.36/331,827.32 = 55,005.36/x
  3. Step 3: Cross multiply
    221,217.36x = 331,827.32 × 55,005.36
  4. Step 4: Simplify right side
    221,217.36x = 18,252,281,194.44
  5. Step 5: Solve for x
    x = 18,252,281,194.44/221,217.36
  6. Step 6: Final answer
    x = 82,508.36

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1.5x scale

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.