Home / 193,620.20-290,297.10-98,666.60

Finding the Fourth Proportional to 193,620.20, 290,297.10 and 98,666.60

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Solution

The fourth proportional to 193,620.20, 290,297.10 and 98,666.60 is: 147,932.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,620.20 : 290,297.10 = 98,666.60 : x
  2. Step 2: Convert to fraction form
    193,620.20/290,297.10 = 98,666.60/x
  3. Step 3: Cross multiply
    193,620.20x = 290,297.10 × 98,666.60
  4. Step 4: Simplify right side
    193,620.20x = 28,642,627,846.86
  5. Step 5: Solve for x
    x = 28,642,627,846.86/193,620.20
  6. Step 6: Final answer
    x = 147,932.02

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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.