Home / 186,664.54-280,086.93-91,843.30

Finding the Fourth Proportional to 186,664.54, 280,086.93 and 91,843.30

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Solution

The fourth proportional to 186,664.54, 280,086.93 and 91,843.30 is: 137,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,664.54 : 280,086.93 = 91,843.30 : x
  2. Step 2: Convert to fraction form
    186,664.54/280,086.93 = 91,843.30/x
  3. Step 3: Cross multiply
    186,664.54x = 280,086.93 × 91,843.30
  4. Step 4: Simplify right side
    186,664.54x = 25,724,107,938.07
  5. Step 5: Solve for x
    x = 25,724,107,938.07/186,664.54
  6. Step 6: Final answer
    x = 137,809.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.