Finding the Fourth Proportional to 158.52, 237.59 and 71.83
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Solution
The fourth proportional to 158.52, 237.59 and 71.83 is: 107.66
Step by Step Solution
- Step 1: Write the proportion equation
158.52 : 237.59 = 71.83 : x - Step 2: Convert to fraction form
158.52/237.59 = 71.83/x - Step 3: Cross multiply
158.52x = 237.59 × 71.83 - Step 4: Simplify right side
158.52x = 17,066.09 - Step 5: Solve for x
x = 17,066.09/158.52 - Step 6: Final answer
x = 107.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.