Home / 209,824.71-289,558.16-114,331.44

Finding the Fourth Proportional to 209,824.71, 289,558.16 and 114,331.44

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Solution

The fourth proportional to 209,824.71, 289,558.16 and 114,331.44 is: 157,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,824.71 : 289,558.16 = 114,331.44 : x
  2. Step 2: Convert to fraction form
    209,824.71/289,558.16 = 114,331.44/x
  3. Step 3: Cross multiply
    209,824.71x = 289,558.16 × 114,331.44
  4. Step 4: Simplify right side
    209,824.71x = 33,105,601,396.55
  5. Step 5: Solve for x
    x = 33,105,601,396.55/209,824.71
  6. Step 6: Final answer
    x = 157,777.42

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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.