Home / 198,880.92-298,321.38-163,746.77

Finding the Fourth Proportional to 198,880.92, 298,321.38 and 163,746.77

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Solution

The fourth proportional to 198,880.92, 298,321.38 and 163,746.77 is: 245,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,880.92 : 298,321.38 = 163,746.77 : x
  2. Step 2: Convert to fraction form
    198,880.92/298,321.38 = 163,746.77/x
  3. Step 3: Cross multiply
    198,880.92x = 298,321.38 × 163,746.77
  4. Step 4: Simplify right side
    198,880.92x = 48,849,160,905.34
  5. Step 5: Solve for x
    x = 48,849,160,905.34/198,880.92
  6. Step 6: Final answer
    x = 245,620.15

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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.