Home / 209,961.28-289,568.31-177,415.14

Finding the Fourth Proportional to 209,961.28, 289,568.31 and 177,415.14

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Solution

The fourth proportional to 209,961.28, 289,568.31 and 177,415.14 is: 244,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,961.28 : 289,568.31 = 177,415.14 : x
  2. Step 2: Convert to fraction form
    209,961.28/289,568.31 = 177,415.14/x
  3. Step 3: Cross multiply
    209,961.28x = 289,568.31 × 177,415.14
  4. Step 4: Simplify right side
    209,961.28x = 51,373,802,258.21
  5. Step 5: Solve for x
    x = 51,373,802,258.21/209,961.28
  6. Step 6: Final answer
    x = 244,682.27

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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.