Finding the Fourth Proportional to 167,761.79, 231,435.97 and 113,296.26
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Solution
The fourth proportional to 167,761.79, 231,435.97 and 113,296.26 is: 156,297.99
Step by Step Solution
- Step 1: Write the proportion equation
167,761.79 : 231,435.97 = 113,296.26 : x - Step 2: Convert to fraction form
167,761.79/231,435.97 = 113,296.26/x - Step 3: Cross multiply
167,761.79x = 231,435.97 × 113,296.26 - Step 4: Simplify right side
167,761.79x = 26,220,829,830.47 - Step 5: Solve for x
x = 26,220,829,830.47/167,761.79 - Step 6: Final answer
x = 156,297.99
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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.