Finding the Fourth Proportional to 167,108.67, 230,431.64 and 126,366.75
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Solution
The fourth proportional to 167,108.67, 230,431.64 and 126,366.75 is: 174,251.26
Step by Step Solution
- Step 1: Write the proportion equation
167,108.67 : 230,431.64 = 126,366.75 : x - Step 2: Convert to fraction form
167,108.67/230,431.64 = 126,366.75/x - Step 3: Cross multiply
167,108.67x = 230,431.64 × 126,366.75 - Step 4: Simplify right side
167,108.67x = 29,118,896,812.14 - Step 5: Solve for x
x = 29,118,896,812.14/167,108.67 - Step 6: Final answer
x = 174,251.26
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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.