Home / 198,883.05-298,296.54-104,082.06

Finding the Fourth Proportional to 198,883.05, 298,296.54 and 104,082.06

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Solution

The fourth proportional to 198,883.05, 298,296.54 and 104,082.06 is: 156,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,883.05 : 298,296.54 = 104,082.06 : x
  2. Step 2: Convert to fraction form
    198,883.05/298,296.54 = 104,082.06/x
  3. Step 3: Cross multiply
    198,883.05x = 298,296.54 × 104,082.06
  4. Step 4: Simplify right side
    198,883.05x = 31,047,319,492.68
  5. Step 5: Solve for x
    x = 31,047,319,492.68/198,883.05
  6. Step 6: Final answer
    x = 156,108.43

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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.