Home / 185,268.22-255,670.38-100,385.26

Finding the Fourth Proportional to 185,268.22, 255,670.38 and 100,385.26

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Solution

The fourth proportional to 185,268.22, 255,670.38 and 100,385.26 is: 138,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,268.22 : 255,670.38 = 100,385.26 : x
  2. Step 2: Convert to fraction form
    185,268.22/255,670.38 = 100,385.26/x
  3. Step 3: Cross multiply
    185,268.22x = 255,670.38 × 100,385.26
  4. Step 4: Simplify right side
    185,268.22x = 25,665,537,570.60
  5. Step 5: Solve for x
    x = 25,665,537,570.60/185,268.22
  6. Step 6: Final answer
    x = 138,531.79

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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.