Home / 106,066.63-159,143.10-68,158.41

Finding the Fourth Proportional to 106,066.63, 159,143.10 and 68,158.41

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Solution

The fourth proportional to 106,066.63, 159,143.10 and 68,158.41 is: 102,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,066.63 : 159,143.10 = 68,158.41 : x
  2. Step 2: Convert to fraction form
    106,066.63/159,143.10 = 68,158.41/x
  3. Step 3: Cross multiply
    106,066.63x = 159,143.10 × 68,158.41
  4. Step 4: Simplify right side
    106,066.63x = 10,846,940,658.47
  5. Step 5: Solve for x
    x = 10,846,940,658.47/106,066.63
  6. Step 6: Final answer
    x = 102,265.35

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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.