Finding the Fourth Proportional to 167,375.13, 230,979.50 and 91,923.63
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Solution
The fourth proportional to 167,375.13, 230,979.50 and 91,923.63 is: 126,855.61
Step by Step Solution
- Step 1: Write the proportion equation
167,375.13 : 230,979.50 = 91,923.63 : x - Step 2: Convert to fraction form
167,375.13/230,979.50 = 91,923.63/x - Step 3: Cross multiply
167,375.13x = 230,979.50 × 91,923.63 - Step 4: Simplify right side
167,375.13x = 21,232,474,095.59 - Step 5: Solve for x
x = 21,232,474,095.59/167,375.13 - Step 6: Final answer
x = 126,855.61
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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.