Home / 331,258.14-496,245.69-198,243.18

Finding the Fourth Proportional to 331,258.14, 496,245.69 and 198,243.18

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Solution

The fourth proportional to 331,258.14, 496,245.69 and 198,243.18 is: 296,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,258.14 : 496,245.69 = 198,243.18 : x
  2. Step 2: Convert to fraction form
    331,258.14/496,245.69 = 198,243.18/x
  3. Step 3: Cross multiply
    331,258.14x = 496,245.69 × 198,243.18
  4. Step 4: Simplify right side
    331,258.14x = 98,377,323,646.89
  5. Step 5: Solve for x
    x = 98,377,323,646.89/331,258.14
  6. Step 6: Final answer
    x = 296,980.85

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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.