Home / 198,895.29-298,352.76-56,761.51

Finding the Fourth Proportional to 198,895.29, 298,352.76 and 56,761.51

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Solution

The fourth proportional to 198,895.29, 298,352.76 and 56,761.51 is: 85,145.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,895.29 : 298,352.76 = 56,761.51 : x
  2. Step 2: Convert to fraction form
    198,895.29/298,352.76 = 56,761.51/x
  3. Step 3: Cross multiply
    198,895.29x = 298,352.76 × 56,761.51
  4. Step 4: Simplify right side
    198,895.29x = 16,934,953,170.27
  5. Step 5: Solve for x
    x = 16,934,953,170.27/198,895.29
  6. Step 6: Final answer
    x = 85,145.07

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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.