Home / 199,139.14-298,644.11-65,983.64

Finding the Fourth Proportional to 199,139.14, 298,644.11 and 65,983.64

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Solution

The fourth proportional to 199,139.14, 298,644.11 and 65,983.64 is: 98,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,139.14 : 298,644.11 = 65,983.64 : x
  2. Step 2: Convert to fraction form
    199,139.14/298,644.11 = 65,983.64/x
  3. Step 3: Cross multiply
    199,139.14x = 298,644.11 × 65,983.64
  4. Step 4: Simplify right side
    199,139.14x = 19,705,625,859.05
  5. Step 5: Solve for x
    x = 19,705,625,859.05/199,139.14
  6. Step 6: Final answer
    x = 98,954.06

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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.