Home / 179,770.08-269,661.36-67,438.80

Finding the Fourth Proportional to 179,770.08, 269,661.36 and 67,438.80

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Solution

The fourth proportional to 179,770.08, 269,661.36 and 67,438.80 is: 101,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,770.08 : 269,661.36 = 67,438.80 : x
  2. Step 2: Convert to fraction form
    179,770.08/269,661.36 = 67,438.80/x
  3. Step 3: Cross multiply
    179,770.08x = 269,661.36 × 67,438.80
  4. Step 4: Simplify right side
    179,770.08x = 18,185,638,524.77
  5. Step 5: Solve for x
    x = 18,185,638,524.77/179,770.08
  6. Step 6: Final answer
    x = 101,160.54

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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.