Home / 168,856.21-253,284.63-69,016.33

Finding the Fourth Proportional to 168,856.21, 253,284.63 and 69,016.33

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Solution

The fourth proportional to 168,856.21, 253,284.63 and 69,016.33 is: 103,524.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,856.21 : 253,284.63 = 69,016.33 : x
  2. Step 2: Convert to fraction form
    168,856.21/253,284.63 = 69,016.33/x
  3. Step 3: Cross multiply
    168,856.21x = 253,284.63 × 69,016.33
  4. Step 4: Simplify right side
    168,856.21x = 17,480,775,608.01
  5. Step 5: Solve for x
    x = 17,480,775,608.01/168,856.21
  6. Step 6: Final answer
    x = 103,524.62

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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.