Finding the Fourth Proportional to 167,741.96, 231,569.62 and 129,415.46
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Solution
The fourth proportional to 167,741.96, 231,569.62 and 129,415.46 is: 178,659.46
Step by Step Solution
- Step 1: Write the proportion equation
167,741.96 : 231,569.62 = 129,415.46 : x - Step 2: Convert to fraction form
167,741.96/231,569.62 = 129,415.46/x - Step 3: Cross multiply
167,741.96x = 231,569.62 × 129,415.46 - Step 4: Simplify right side
167,741.96x = 29,968,687,412.94 - Step 5: Solve for x
x = 29,968,687,412.94/167,741.96 - Step 6: Final answer
x = 178,659.46
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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.