Home / 198,863.94-298,295.91-56,712.18

Finding the Fourth Proportional to 198,863.94, 298,295.91 and 56,712.18

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Solution

The fourth proportional to 198,863.94, 298,295.91 and 56,712.18 is: 85,068.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,863.94 : 298,295.91 = 56,712.18 : x
  2. Step 2: Convert to fraction form
    198,863.94/298,295.91 = 56,712.18/x
  3. Step 3: Cross multiply
    198,863.94x = 298,295.91 × 56,712.18
  4. Step 4: Simplify right side
    198,863.94x = 16,917,011,341.18
  5. Step 5: Solve for x
    x = 16,917,011,341.18/198,863.94
  6. Step 6: Final answer
    x = 85,068.27

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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.