Home / 209,571.71-289,203.41-114,076.35

Finding the Fourth Proportional to 209,571.71, 289,203.41 and 114,076.35

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Solution

The fourth proportional to 209,571.71, 289,203.41 and 114,076.35 is: 157,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,571.71 : 289,203.41 = 114,076.35 : x
  2. Step 2: Convert to fraction form
    209,571.71/289,203.41 = 114,076.35/x
  3. Step 3: Cross multiply
    209,571.71x = 289,203.41 × 114,076.35
  4. Step 4: Simplify right side
    209,571.71x = 32,991,269,705.54
  5. Step 5: Solve for x
    x = 32,991,269,705.54/209,571.71
  6. Step 6: Final answer
    x = 157,422.35

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1.5x scale

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.