Home / 198,812.97-298,406.30-104,111.12

Finding the Fourth Proportional to 198,812.97, 298,406.30 and 104,111.12

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Solution

The fourth proportional to 198,812.97, 298,406.30 and 104,111.12 is: 156,264.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,812.97 : 298,406.30 = 104,111.12 : x
  2. Step 2: Convert to fraction form
    198,812.97/298,406.30 = 104,111.12/x
  3. Step 3: Cross multiply
    198,812.97x = 298,406.30 × 104,111.12
  4. Step 4: Simplify right side
    198,812.97x = 31,067,414,333.52
  5. Step 5: Solve for x
    x = 31,067,414,333.52/198,812.97
  6. Step 6: Final answer
    x = 156,264.53

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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.