Home / 198,121.37-297,181.04-48,362.45

Finding the Fourth Proportional to 198,121.37, 297,181.04 and 48,362.45

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Solution

The fourth proportional to 198,121.37, 297,181.04 and 48,362.45 is: 72,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,121.37 : 297,181.04 = 48,362.45 : x
  2. Step 2: Convert to fraction form
    198,121.37/297,181.04 = 48,362.45/x
  3. Step 3: Cross multiply
    198,121.37x = 297,181.04 × 48,362.45
  4. Step 4: Simplify right side
    198,121.37x = 14,372,403,689.09
  5. Step 5: Solve for x
    x = 14,372,403,689.09/198,121.37
  6. Step 6: Final answer
    x = 72,543.43

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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.