Home / 103,195.26-154,782.50-28,322.93

Finding the Fourth Proportional to 103,195.26, 154,782.50 and 28,322.93

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Solution

The fourth proportional to 103,195.26, 154,782.50 and 28,322.93 is: 42,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,195.26 : 154,782.50 = 28,322.93 : x
  2. Step 2: Convert to fraction form
    103,195.26/154,782.50 = 28,322.93/x
  3. Step 3: Cross multiply
    103,195.26x = 154,782.50 × 28,322.93
  4. Step 4: Simplify right side
    103,195.26x = 4,383,893,912.73
  5. Step 5: Solve for x
    x = 4,383,893,912.73/103,195.26
  6. Step 6: Final answer
    x = 42,481.54

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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.