Finding the Fourth Proportional to 133,797.09, 184,736.84 and 86,133.46
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Solution
The fourth proportional to 133,797.09, 184,736.84 and 86,133.46 is: 118,926.53
Step by Step Solution
- Step 1: Write the proportion equation
133,797.09 : 184,736.84 = 86,133.46 : x - Step 2: Convert to fraction form
133,797.09/184,736.84 = 86,133.46/x - Step 3: Cross multiply
133,797.09x = 184,736.84 × 86,133.46 - Step 4: Simplify right side
133,797.09x = 15,912,023,218.67 - Step 5: Solve for x
x = 15,912,023,218.67/133,797.09 - Step 6: Final answer
x = 118,926.53
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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.