Finding the Fourth Proportional to 191,251.43, 286,614.70 and 121,004.99
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Solution
The fourth proportional to 191,251.43, 286,614.70 and 121,004.99 is: 181,341.43
Step by Step Solution
- Step 1: Write the proportion equation
191,251.43 : 286,614.70 = 121,004.99 : x - Step 2: Convert to fraction form
191,251.43/286,614.70 = 121,004.99/x - Step 3: Cross multiply
191,251.43x = 286,614.70 × 121,004.99 - Step 4: Simplify right side
191,251.43x = 34,681,806,869.25 - Step 5: Solve for x
x = 34,681,806,869.25/191,251.43 - Step 6: Final answer
x = 181,341.43
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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.