Home / 198,234.33-297,192.93-103,416.94

Finding the Fourth Proportional to 198,234.33, 297,192.93 and 103,416.94

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Solution

The fourth proportional to 198,234.33, 297,192.93 and 103,416.94 is: 155,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,234.33 : 297,192.93 = 103,416.94 : x
  2. Step 2: Convert to fraction form
    198,234.33/297,192.93 = 103,416.94/x
  3. Step 3: Cross multiply
    198,234.33x = 297,192.93 × 103,416.94
  4. Step 4: Simplify right side
    198,234.33x = 30,734,783,410.23
  5. Step 5: Solve for x
    x = 30,734,783,410.23/198,234.33
  6. Step 6: Final answer
    x = 155,042.69

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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.