Home / 279,661.26-419,499.18-69,296.16

Finding the Fourth Proportional to 279,661.26, 419,499.18 and 69,296.16

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Solution

The fourth proportional to 279,661.26, 419,499.18 and 69,296.16 is: 103,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,661.26 : 419,499.18 = 69,296.16 : x
  2. Step 2: Convert to fraction form
    279,661.26/419,499.18 = 69,296.16/x
  3. Step 3: Cross multiply
    279,661.26x = 419,499.18 × 69,296.16
  4. Step 4: Simplify right side
    279,661.26x = 29,069,682,297.15
  5. Step 5: Solve for x
    x = 29,069,682,297.15/279,661.26
  6. Step 6: Final answer
    x = 103,946.05

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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.