Home / 193,849.20-290,783.40-100,537.20

Finding the Fourth Proportional to 193,849.20, 290,783.40 and 100,537.20

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Solution

The fourth proportional to 193,849.20, 290,783.40 and 100,537.20 is: 150,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,849.20 : 290,783.40 = 100,537.20 : x
  2. Step 2: Convert to fraction form
    193,849.20/290,783.40 = 100,537.20/x
  3. Step 3: Cross multiply
    193,849.20x = 290,783.40 × 100,537.20
  4. Step 4: Simplify right side
    193,849.20x = 29,234,548,842.48
  5. Step 5: Solve for x
    x = 29,234,548,842.48/193,849.20
  6. Step 6: Final answer
    x = 150,810.78

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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.