Home / 198,670.79-298,003.40-48,912.32

Finding the Fourth Proportional to 198,670.79, 298,003.40 and 48,912.32

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Solution

The fourth proportional to 198,670.79, 298,003.40 and 48,912.32 is: 73,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,670.79 : 298,003.40 = 48,912.32 : x
  2. Step 2: Convert to fraction form
    198,670.79/298,003.40 = 48,912.32/x
  3. Step 3: Cross multiply
    198,670.79x = 298,003.40 × 48,912.32
  4. Step 4: Simplify right side
    198,670.79x = 14,576,035,927.31
  5. Step 5: Solve for x
    x = 14,576,035,927.31/198,670.79
  6. Step 6: Final answer
    x = 73,367.79

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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.