Home / 198,891.24-298,307.22-65,772.19

Finding the Fourth Proportional to 198,891.24, 298,307.22 and 65,772.19

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Solution

The fourth proportional to 198,891.24, 298,307.22 and 65,772.19 is: 98,648.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,891.24 : 298,307.22 = 65,772.19 : x
  2. Step 2: Convert to fraction form
    198,891.24/298,307.22 = 65,772.19/x
  3. Step 3: Cross multiply
    198,891.24x = 298,307.22 × 65,772.19
  4. Step 4: Simplify right side
    198,891.24x = 19,620,319,152.21
  5. Step 5: Solve for x
    x = 19,620,319,152.21/198,891.24
  6. Step 6: Final answer
    x = 98,648.48

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1.5x scale

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.