Home / 183,795.20-275,563.06-71,381.78

Finding the Fourth Proportional to 183,795.20, 275,563.06 and 71,381.78

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Solution

The fourth proportional to 183,795.20, 275,563.06 and 71,381.78 is: 107,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,795.20 : 275,563.06 = 71,381.78 : x
  2. Step 2: Convert to fraction form
    183,795.20/275,563.06 = 71,381.78/x
  3. Step 3: Cross multiply
    183,795.20x = 275,563.06 × 71,381.78
  4. Step 4: Simplify right side
    183,795.20x = 19,670,181,725.05
  5. Step 5: Solve for x
    x = 19,670,181,725.05/183,795.20
  6. Step 6: Final answer
    x = 107,022.28

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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.