Finding the Fourth Proportional to 222,736.08, 307,374.84 and 122,134.08
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Solution
The fourth proportional to 222,736.08, 307,374.84 and 122,134.08 is: 168,544.51
Step by Step Solution
- Step 1: Write the proportion equation
222,736.08 : 307,374.84 = 122,134.08 : x - Step 2: Convert to fraction form
222,736.08/307,374.84 = 122,134.08/x - Step 3: Cross multiply
222,736.08x = 307,374.84 × 122,134.08 - Step 4: Simplify right side
222,736.08x = 37,540,943,298.55 - Step 5: Solve for x
x = 37,540,943,298.55/222,736.08 - Step 6: Final answer
x = 168,544.51
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1.5x scale
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.