Finding the Fourth Proportional to 115,957.58, 160,343.57 and 92,042.74
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Solution
The fourth proportional to 115,957.58, 160,343.57 and 92,042.74 is: 127,274.66
Step by Step Solution
- Step 1: Write the proportion equation
115,957.58 : 160,343.57 = 92,042.74 : x - Step 2: Convert to fraction form
115,957.58/160,343.57 = 92,042.74/x - Step 3: Cross multiply
115,957.58x = 160,343.57 × 92,042.74 - Step 4: Simplify right side
115,957.58x = 14,758,461,524.18 - Step 5: Solve for x
x = 14,758,461,524.18/115,957.58 - Step 6: Final answer
x = 127,274.66
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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.