Home / 198,950.11-298,425.57-163,815.96

Finding the Fourth Proportional to 198,950.11, 298,425.57 and 163,815.96

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Solution

The fourth proportional to 198,950.11, 298,425.57 and 163,815.96 is: 245,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,950.11 : 298,425.57 = 163,815.96 : x
  2. Step 2: Convert to fraction form
    198,950.11/298,425.57 = 163,815.96/x
  3. Step 3: Cross multiply
    198,950.11x = 298,425.57 × 163,815.96
  4. Step 4: Simplify right side
    198,950.11x = 48,886,871,238.10
  5. Step 5: Solve for x
    x = 48,886,871,238.10/198,950.11
  6. Step 6: Final answer
    x = 245,724.27

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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.