Finding the Fourth Proportional to 212,033.33, 292,608.26 and 115,237.19
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Solution
The fourth proportional to 212,033.33, 292,608.26 and 115,237.19 is: 159,028.56
Step by Step Solution
- Step 1: Write the proportion equation
212,033.33 : 292,608.26 = 115,237.19 : x - Step 2: Convert to fraction form
212,033.33/292,608.26 = 115,237.19/x - Step 3: Cross multiply
212,033.33x = 292,608.26 × 115,237.19 - Step 4: Simplify right side
212,033.33x = 33,719,354,888.87 - Step 5: Solve for x
x = 33,719,354,888.87/212,033.33 - Step 6: Final answer
x = 159,028.56
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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.