Home / 198,845.30-298,267.95-163,711.14

Finding the Fourth Proportional to 198,845.30, 298,267.95 and 163,711.14

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Solution

The fourth proportional to 198,845.30, 298,267.95 and 163,711.14 is: 245,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,845.30 : 298,267.95 = 163,711.14 : x
  2. Step 2: Convert to fraction form
    198,845.30/298,267.95 = 163,711.14/x
  3. Step 3: Cross multiply
    198,845.30x = 298,267.95 × 163,711.14
  4. Step 4: Simplify right side
    198,845.30x = 48,829,786,119.96
  5. Step 5: Solve for x
    x = 48,829,786,119.96/198,845.30
  6. Step 6: Final answer
    x = 245,566.72

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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.