Home / 198,178.45-297,287.11-56,024.80

Finding the Fourth Proportional to 198,178.45, 297,287.11 and 56,024.80

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Solution

The fourth proportional to 198,178.45, 297,287.11 and 56,024.80 is: 84,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,178.45 : 297,287.11 = 56,024.80 : x
  2. Step 2: Convert to fraction form
    198,178.45/297,287.11 = 56,024.80/x
  3. Step 3: Cross multiply
    198,178.45x = 297,287.11 × 56,024.80
  4. Step 4: Simplify right side
    198,178.45x = 16,655,450,880.33
  5. Step 5: Solve for x
    x = 16,655,450,880.33/198,178.45
  6. Step 6: Final answer
    x = 84,042.69

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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.