Home / 198,911.74-298,359.52-49,148.26

Finding the Fourth Proportional to 198,911.74, 298,359.52 and 49,148.26

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Solution

The fourth proportional to 198,911.74, 298,359.52 and 49,148.26 is: 73,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,911.74 : 298,359.52 = 49,148.26 : x
  2. Step 2: Convert to fraction form
    198,911.74/298,359.52 = 49,148.26/x
  3. Step 3: Cross multiply
    198,911.74x = 298,359.52 × 49,148.26
  4. Step 4: Simplify right side
    198,911.74x = 14,663,851,788.97
  5. Step 5: Solve for x
    x = 14,663,851,788.97/198,911.74
  6. Step 6: Final answer
    x = 73,720.39

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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.