Finding the Fourth Proportional to 186,193.14, 279,070.99 and 86,141.98
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Solution
The fourth proportional to 186,193.14, 279,070.99 and 86,141.98 is: 129,111.78
Step by Step Solution
- Step 1: Write the proportion equation
186,193.14 : 279,070.99 = 86,141.98 : x - Step 2: Convert to fraction form
186,193.14/279,070.99 = 86,141.98/x - Step 3: Cross multiply
186,193.14x = 279,070.99 × 86,141.98 - Step 4: Simplify right side
186,193.14x = 24,039,727,639.16 - Step 5: Solve for x
x = 24,039,727,639.16/186,193.14 - Step 6: Final answer
x = 129,111.78
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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.