Home / 198,969.76-298,466.33-56,804.11

Finding the Fourth Proportional to 198,969.76, 298,466.33 and 56,804.11

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Solution

The fourth proportional to 198,969.76, 298,466.33 and 56,804.11 is: 85,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,969.76 : 298,466.33 = 56,804.11 : x
  2. Step 2: Convert to fraction form
    198,969.76/298,466.33 = 56,804.11/x
  3. Step 3: Cross multiply
    198,969.76x = 298,466.33 × 56,804.11
  4. Step 4: Simplify right side
    198,969.76x = 16,954,113,210.43
  5. Step 5: Solve for x
    x = 16,954,113,210.43/198,969.76
  6. Step 6: Final answer
    x = 85,209.50

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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.