Home / 179,431.05-269,137.62-67,103.01

Finding the Fourth Proportional to 179,431.05, 269,137.62 and 67,103.01

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Solution

The fourth proportional to 179,431.05, 269,137.62 and 67,103.01 is: 100,651.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,431.05 : 269,137.62 = 67,103.01 : x
  2. Step 2: Convert to fraction form
    179,431.05/269,137.62 = 67,103.01/x
  3. Step 3: Cross multiply
    179,431.05x = 269,137.62 × 67,103.01
  4. Step 4: Simplify right side
    179,431.05x = 18,059,944,406.24
  5. Step 5: Solve for x
    x = 18,059,944,406.24/179,431.05
  6. Step 6: Final answer
    x = 100,651.17

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1.5x scale

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.