Home / 220,636.28-304,583.82-135,826.04

Finding the Fourth Proportional to 220,636.28, 304,583.82 and 135,826.04

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Solution

The fourth proportional to 220,636.28, 304,583.82 and 135,826.04 is: 187,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,636.28 : 304,583.82 = 135,826.04 : x
  2. Step 2: Convert to fraction form
    220,636.28/304,583.82 = 135,826.04/x
  3. Step 3: Cross multiply
    220,636.28x = 304,583.82 × 135,826.04
  4. Step 4: Simplify right side
    220,636.28x = 41,370,414,118.67
  5. Step 5: Solve for x
    x = 41,370,414,118.67/220,636.28
  6. Step 6: Final answer
    x = 187,505.04

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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.