Home / 198,742.73-298,107.21-56,588.90

Finding the Fourth Proportional to 198,742.73, 298,107.21 and 56,588.90

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Solution

The fourth proportional to 198,742.73, 298,107.21 and 56,588.90 is: 84,881.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,742.73 : 298,107.21 = 56,588.90 : x
  2. Step 2: Convert to fraction form
    198,742.73/298,107.21 = 56,588.90/x
  3. Step 3: Cross multiply
    198,742.73x = 298,107.21 × 56,588.90
  4. Step 4: Simplify right side
    198,742.73x = 16,869,559,095.97
  5. Step 5: Solve for x
    x = 16,869,559,095.97/198,742.73
  6. Step 6: Final answer
    x = 84,881.39

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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.