Home / 198,924.30-298,386.45-190,285.65

Finding the Fourth Proportional to 198,924.30, 298,386.45 and 190,285.65

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Solution

The fourth proportional to 198,924.30, 298,386.45 and 190,285.65 is: 285,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,924.30 : 298,386.45 = 190,285.65 : x
  2. Step 2: Convert to fraction form
    198,924.30/298,386.45 = 190,285.65/x
  3. Step 3: Cross multiply
    198,924.30x = 298,386.45 × 190,285.65
  4. Step 4: Simplify right side
    198,924.30x = 56,778,659,589.44
  5. Step 5: Solve for x
    x = 56,778,659,589.44/198,924.30
  6. Step 6: Final answer
    x = 285,428.48

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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.