Home / 119,975.67-165,563.26-66,259.54

Finding the Fourth Proportional to 119,975.67, 165,563.26 and 66,259.54

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Solution

The fourth proportional to 119,975.67, 165,563.26 and 66,259.54 is: 91,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,975.67 : 165,563.26 = 66,259.54 : x
  2. Step 2: Convert to fraction form
    119,975.67/165,563.26 = 66,259.54/x
  3. Step 3: Cross multiply
    119,975.67x = 165,563.26 × 66,259.54
  4. Step 4: Simplify right side
    119,975.67x = 10,970,145,489.81
  5. Step 5: Solve for x
    x = 10,970,145,489.81/119,975.67
  6. Step 6: Final answer
    x = 91,436.42

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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.