Finding the Fourth Proportional to 160,873.25, 222,011.01 and 97,198.74
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Solution
The fourth proportional to 160,873.25, 222,011.01 and 97,198.74 is: 134,137.85
Step by Step Solution
- Step 1: Write the proportion equation
160,873.25 : 222,011.01 = 97,198.74 : x - Step 2: Convert to fraction form
160,873.25/222,011.01 = 97,198.74/x - Step 3: Cross multiply
160,873.25x = 222,011.01 × 97,198.74 - Step 4: Simplify right side
160,873.25x = 21,579,190,438.13 - Step 5: Solve for x
x = 21,579,190,438.13/160,873.25 - Step 6: Final answer
x = 134,137.85
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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.