Home / 198,970.90-298,468.01-56,805.23

Finding the Fourth Proportional to 198,970.90, 298,468.01 and 56,805.23

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Solution

The fourth proportional to 198,970.90, 298,468.01 and 56,805.23 is: 85,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,970.90 : 298,468.01 = 56,805.23 : x
  2. Step 2: Convert to fraction form
    198,970.90/298,468.01 = 56,805.23/x
  3. Step 3: Cross multiply
    198,970.90x = 298,468.01 × 56,805.23
  4. Step 4: Simplify right side
    198,970.90x = 16,954,544,843.88
  5. Step 5: Solve for x
    x = 16,954,544,843.88/198,970.90
  6. Step 6: Final answer
    x = 85,211.18

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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.