Finding the Fourth Proportional to 212,230.53, 292,873.32 and 116,735.18
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Solution
The fourth proportional to 212,230.53, 292,873.32 and 116,735.18 is: 161,091.90
Step by Step Solution
- Step 1: Write the proportion equation
212,230.53 : 292,873.32 = 116,735.18 : x - Step 2: Convert to fraction form
212,230.53/292,873.32 = 116,735.18/x - Step 3: Cross multiply
212,230.53x = 292,873.32 × 116,735.18 - Step 4: Simplify right side
212,230.53x = 34,188,618,263.03 - Step 5: Solve for x
x = 34,188,618,263.03/212,230.53 - Step 6: Final answer
x = 161,091.90
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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.