Finding the Fourth Proportional to 116,713.88, 160,726.19 and 101,393.44
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Solution
The fourth proportional to 116,713.88, 160,726.19 and 101,393.44 is: 139,628.47
Step by Step Solution
- Step 1: Write the proportion equation
116,713.88 : 160,726.19 = 101,393.44 : x - Step 2: Convert to fraction form
116,713.88/160,726.19 = 101,393.44/x - Step 3: Cross multiply
116,713.88x = 160,726.19 × 101,393.44 - Step 4: Simplify right side
116,713.88x = 16,296,580,996.13 - Step 5: Solve for x
x = 16,296,580,996.13/116,713.88 - Step 6: Final answer
x = 139,628.47
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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.