Home / 179,675.80-269,546.10-74,505.40

Finding the Fourth Proportional to 179,675.80, 269,546.10 and 74,505.40

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Solution

The fourth proportional to 179,675.80, 269,546.10 and 74,505.40 is: 111,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,675.80 : 269,546.10 = 74,505.40 : x
  2. Step 2: Convert to fraction form
    179,675.80/269,546.10 = 74,505.40/x
  3. Step 3: Cross multiply
    179,675.80x = 269,546.10 × 74,505.40
  4. Step 4: Simplify right side
    179,675.80x = 20,082,639,998.94
  5. Step 5: Solve for x
    x = 20,082,639,998.94/179,675.80
  6. Step 6: Final answer
    x = 111,771.54

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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.