Home / 179,669.80-269,288.70-74,434.60

Finding the Fourth Proportional to 179,669.80, 269,288.70 and 74,434.60

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Solution

The fourth proportional to 179,669.80, 269,288.70 and 74,434.60 is: 111,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,669.80 : 269,288.70 = 74,434.60 : x
  2. Step 2: Convert to fraction form
    179,669.80/269,288.70 = 74,434.60/x
  3. Step 3: Cross multiply
    179,669.80x = 269,288.70 × 74,434.60
  4. Step 4: Simplify right side
    179,669.80x = 20,044,396,669.02
  5. Step 5: Solve for x
    x = 20,044,396,669.02/179,669.80
  6. Step 6: Final answer
    x = 111,562.41

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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.