Home / 198,965.56-298,260.75-99,031.27

Finding the Fourth Proportional to 198,965.56, 298,260.75 and 99,031.27

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Solution

The fourth proportional to 198,965.56, 298,260.75 and 99,031.27 is: 148,453.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,965.56 : 298,260.75 = 99,031.27 : x
  2. Step 2: Convert to fraction form
    198,965.56/298,260.75 = 99,031.27/x
  3. Step 3: Cross multiply
    198,965.56x = 298,260.75 × 99,031.27
  4. Step 4: Simplify right side
    198,965.56x = 29,537,140,863.65
  5. Step 5: Solve for x
    x = 29,537,140,863.65/198,965.56
  6. Step 6: Final answer
    x = 148,453.54

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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.