Home / 98,933.06-148,153.41-69,211.73

Finding the Fourth Proportional to 98,933.06, 148,153.41 and 69,211.73

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Solution

The fourth proportional to 98,933.06, 148,153.41 and 69,211.73 is: 103,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,933.06 : 148,153.41 = 69,211.73 : x
  2. Step 2: Convert to fraction form
    98,933.06/148,153.41 = 69,211.73/x
  3. Step 3: Cross multiply
    98,933.06x = 148,153.41 × 69,211.73
  4. Step 4: Simplify right side
    98,933.06x = 10,253,954,181.88
  5. Step 5: Solve for x
    x = 10,253,954,181.88/98,933.06
  6. Step 6: Final answer
    x = 103,645.37

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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.