Home / 106,738.77-160,102.38-54,146.89

Finding the Fourth Proportional to 106,738.77, 160,102.38 and 54,146.89

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Solution

The fourth proportional to 106,738.77, 160,102.38 and 54,146.89 is: 81,217.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,738.77 : 160,102.38 = 54,146.89 : x
  2. Step 2: Convert to fraction form
    106,738.77/160,102.38 = 54,146.89/x
  3. Step 3: Cross multiply
    106,738.77x = 160,102.38 × 54,146.89
  4. Step 4: Simplify right side
    106,738.77x = 8,669,045,958.60
  5. Step 5: Solve for x
    x = 8,669,045,958.60/106,738.77
  6. Step 6: Final answer
    x = 81,217.41

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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.