Home / 209,849.81-289,591.77-114,356.48

Finding the Fourth Proportional to 209,849.81, 289,591.77 and 114,356.48

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Solution

The fourth proportional to 209,849.81, 289,591.77 and 114,356.48 is: 157,811.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,849.81 : 289,591.77 = 114,356.48 : x
  2. Step 2: Convert to fraction form
    209,849.81/289,591.77 = 114,356.48/x
  3. Step 3: Cross multiply
    209,849.81x = 289,591.77 × 114,356.48
  4. Step 4: Simplify right side
    209,849.81x = 33,116,694,435.05
  5. Step 5: Solve for x
    x = 33,116,694,435.05/209,849.81
  6. Step 6: Final answer
    x = 157,811.41

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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.