Home / 106,367.22-159,606.36-68,917.53

Finding the Fourth Proportional to 106,367.22, 159,606.36 and 68,917.53

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Solution

The fourth proportional to 106,367.22, 159,606.36 and 68,917.53 is: 103,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,367.22 : 159,606.36 = 68,917.53 : x
  2. Step 2: Convert to fraction form
    106,367.22/159,606.36 = 68,917.53/x
  3. Step 3: Cross multiply
    106,367.22x = 159,606.36 × 68,917.53
  4. Step 4: Simplify right side
    106,367.22x = 10,999,676,103.49
  5. Step 5: Solve for x
    x = 10,999,676,103.49/106,367.22
  6. Step 6: Final answer
    x = 103,412.27

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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.