Finding the Fourth Proportional to 191,854.08, 287,534.79 and 91,864.44
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Solution
The fourth proportional to 191,854.08, 287,534.79 and 91,864.44 is: 137,678.71
Step by Step Solution
- Step 1: Write the proportion equation
191,854.08 : 287,534.79 = 91,864.44 : x - Step 2: Convert to fraction form
191,854.08/287,534.79 = 91,864.44/x - Step 3: Cross multiply
191,854.08x = 287,534.79 × 91,864.44 - Step 4: Simplify right side
191,854.08x = 26,414,222,463.87 - Step 5: Solve for x
x = 26,414,222,463.87/191,854.08 - Step 6: Final answer
x = 137,678.71
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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.