Finding the Fourth Proportional to 114.52, 158 and 68.52
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Solution
The fourth proportional to 114.52, 158 and 68.52 is: 94.54
Step by Step Solution
- Step 1: Write the proportion equation
114.52 : 158 = 68.52 : x - Step 2: Convert to fraction form
114.52/158 = 68.52/x - Step 3: Cross multiply
114.52x = 158 × 68.52 - Step 4: Simplify right side
114.52x = 10,826.16 - Step 5: Solve for x
x = 10,826.16/114.52 - Step 6: Final answer
x = 94.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.