Finding the Fourth Proportional to 242,924.63, 335,236.58 and 135,501.62
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Solution
The fourth proportional to 242,924.63, 335,236.58 and 135,501.62 is: 186,992.57
Step by Step Solution
- Step 1: Write the proportion equation
242,924.63 : 335,236.58 = 135,501.62 : x - Step 2: Convert to fraction form
242,924.63/335,236.58 = 135,501.62/x - Step 3: Cross multiply
242,924.63x = 335,236.58 × 135,501.62 - Step 4: Simplify right side
242,924.63x = 45,425,099,673.26 - Step 5: Solve for x
x = 45,425,099,673.26/242,924.63 - Step 6: Final answer
x = 186,992.57
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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.