Home / 198,815.97-298,410.81-104,114.10

Finding the Fourth Proportional to 198,815.97, 298,410.81 and 104,114.10

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Solution

The fourth proportional to 198,815.97, 298,410.81 and 104,114.10 is: 156,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,815.97 : 298,410.81 = 104,114.10 : x
  2. Step 2: Convert to fraction form
    198,815.97/298,410.81 = 104,114.10/x
  3. Step 3: Cross multiply
    198,815.97x = 298,410.81 × 104,114.10
  4. Step 4: Simplify right side
    198,815.97x = 31,068,772,913.42
  5. Step 5: Solve for x
    x = 31,068,772,913.42/198,815.97
  6. Step 6: Final answer
    x = 156,269.00

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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.