Home / 104,268.68-156,403.28-25,382.80

Finding the Fourth Proportional to 104,268.68, 156,403.28 and 25,382.80

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Solution

The fourth proportional to 104,268.68, 156,403.28 and 25,382.80 is: 38,074.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,268.68 : 156,403.28 = 25,382.80 : x
  2. Step 2: Convert to fraction form
    104,268.68/156,403.28 = 25,382.80/x
  3. Step 3: Cross multiply
    104,268.68x = 156,403.28 × 25,382.80
  4. Step 4: Simplify right side
    104,268.68x = 3,969,953,175.58
  5. Step 5: Solve for x
    x = 3,969,953,175.58/104,268.68
  6. Step 6: Final answer
    x = 38,074.26

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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.