Home / 106,257.60-159,304.32-68,855.04

Finding the Fourth Proportional to 106,257.60, 159,304.32 and 68,855.04

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Solution

The fourth proportional to 106,257.60, 159,304.32 and 68,855.04 is: 103,229.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,257.60 : 159,304.32 = 68,855.04 : x
  2. Step 2: Convert to fraction form
    106,257.60/159,304.32 = 68,855.04/x
  3. Step 3: Cross multiply
    106,257.60x = 159,304.32 × 68,855.04
  4. Step 4: Simplify right side
    106,257.60x = 10,968,905,325.77
  5. Step 5: Solve for x
    x = 10,968,905,325.77/106,257.60
  6. Step 6: Final answer
    x = 103,229.37

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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.