Finding the Fourth Proportional to 167,345.42, 230,936.64 and 91,893.92
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Solution
The fourth proportional to 167,345.42, 230,936.64 and 91,893.92 is: 126,813.59
Step by Step Solution
- Step 1: Write the proportion equation
167,345.42 : 230,936.64 = 91,893.92 : x - Step 2: Convert to fraction form
167,345.42/230,936.64 = 91,893.92/x - Step 3: Cross multiply
167,345.42x = 230,936.64 × 91,893.92 - Step 4: Simplify right side
167,345.42x = 21,221,673,121.23 - Step 5: Solve for x
x = 21,221,673,121.23/167,345.42 - Step 6: Final answer
x = 126,813.59
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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.