Home / 209,917.94-289,680.99-114,426.50

Finding the Fourth Proportional to 209,917.94, 289,680.99 and 114,426.50

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Solution

The fourth proportional to 209,917.94, 289,680.99 and 114,426.50 is: 157,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,917.94 : 289,680.99 = 114,426.50 : x
  2. Step 2: Convert to fraction form
    209,917.94/289,680.99 = 114,426.50/x
  3. Step 3: Cross multiply
    209,917.94x = 289,680.99 × 114,426.50
  4. Step 4: Simplify right side
    209,917.94x = 33,147,181,802.24
  5. Step 5: Solve for x
    x = 33,147,181,802.24/209,917.94
  6. Step 6: Final answer
    x = 157,905.43

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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.