Home / 198,732.40-298,091.76-56,578.56

Finding the Fourth Proportional to 198,732.40, 298,091.76 and 56,578.56

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Solution

The fourth proportional to 198,732.40, 298,091.76 and 56,578.56 is: 84,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,732.40 : 298,091.76 = 56,578.56 : x
  2. Step 2: Convert to fraction form
    198,732.40/298,091.76 = 56,578.56/x
  3. Step 3: Cross multiply
    198,732.40x = 298,091.76 × 56,578.56
  4. Step 4: Simplify right side
    198,732.40x = 16,865,602,528.67
  5. Step 5: Solve for x
    x = 16,865,602,528.67/198,732.40
  6. Step 6: Final answer
    x = 84,865.89

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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.