Home / 198,258.57-297,405-56,105.46

Finding the Fourth Proportional to 198,258.57, 297,405 and 56,105.46

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Solution

The fourth proportional to 198,258.57, 297,405 and 56,105.46 is: 84,163.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,258.57 : 297,405 = 56,105.46 : x
  2. Step 2: Convert to fraction form
    198,258.57/297,405 = 56,105.46/x
  3. Step 3: Cross multiply
    198,258.57x = 297,405 × 56,105.46
  4. Step 4: Simplify right side
    198,258.57x = 16,686,044,331.30
  5. Step 5: Solve for x
    x = 16,686,044,331.30/198,258.57
  6. Step 6: Final answer
    x = 84,163.04

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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.