Home / 202,328.42-279,213.27-111,684.44

Finding the Fourth Proportional to 202,328.42, 279,213.27 and 111,684.44

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Solution

The fourth proportional to 202,328.42, 279,213.27 and 111,684.44 is: 154,124.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,328.42 : 279,213.27 = 111,684.44 : x
  2. Step 2: Convert to fraction form
    202,328.42/279,213.27 = 111,684.44/x
  3. Step 3: Cross multiply
    202,328.42x = 279,213.27 × 111,684.44
  4. Step 4: Simplify right side
    202,328.42x = 31,183,778,817.37
  5. Step 5: Solve for x
    x = 31,183,778,817.37/202,328.42
  6. Step 6: Final answer
    x = 154,124.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.