Home / 147,636.27-221,121.47-68,584.14

Finding the Fourth Proportional to 147,636.27, 221,121.47 and 68,584.14

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Solution

The fourth proportional to 147,636.27, 221,121.47 and 68,584.14 is: 102,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,636.27 : 221,121.47 = 68,584.14 : x
  2. Step 2: Convert to fraction form
    147,636.27/221,121.47 = 68,584.14/x
  3. Step 3: Cross multiply
    147,636.27x = 221,121.47 × 68,584.14
  4. Step 4: Simplify right side
    147,636.27x = 15,165,425,512.57
  5. Step 5: Solve for x
    x = 15,165,425,512.57/147,636.27
  6. Step 6: Final answer
    x = 102,721.54

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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.