Home / 179,647.80-269,180.10-112,968.60

Finding the Fourth Proportional to 179,647.80, 269,180.10 and 112,968.60

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Solution

The fourth proportional to 179,647.80, 269,180.10 and 112,968.60 is: 169,269.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,647.80 : 269,180.10 = 112,968.60 : x
  2. Step 2: Convert to fraction form
    179,647.80/269,180.10 = 112,968.60/x
  3. Step 3: Cross multiply
    179,647.80x = 269,180.10 × 112,968.60
  4. Step 4: Simplify right side
    179,647.80x = 30,408,899,044.86
  5. Step 5: Solve for x
    x = 30,408,899,044.86/179,647.80
  6. Step 6: Final answer
    x = 169,269.53

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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.