Home / 147,754.80-221,592.24-68,791.68

Finding the Fourth Proportional to 147,754.80, 221,592.24 and 68,791.68

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Solution

The fourth proportional to 147,754.80, 221,592.24 and 68,791.68 is: 103,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,754.80 : 221,592.24 = 68,791.68 : x
  2. Step 2: Convert to fraction form
    147,754.80/221,592.24 = 68,791.68/x
  3. Step 3: Cross multiply
    147,754.80x = 221,592.24 × 68,791.68
  4. Step 4: Simplify right side
    147,754.80x = 15,243,702,464.56
  5. Step 5: Solve for x
    x = 15,243,702,464.56/147,754.80
  6. Step 6: Final answer
    x = 103,168.92

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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.