Finding the Fourth Proportional to 135,699.84, 187,093.68 and 96,983.94
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Solution
The fourth proportional to 135,699.84, 187,093.68 and 96,983.94 is: 133,714.84
Step by Step Solution
- Step 1: Write the proportion equation
135,699.84 : 187,093.68 = 96,983.94 : x - Step 2: Convert to fraction form
135,699.84/187,093.68 = 96,983.94/x - Step 3: Cross multiply
135,699.84x = 187,093.68 × 96,983.94 - Step 4: Simplify right side
135,699.84x = 18,145,082,235.50 - Step 5: Solve for x
x = 18,145,082,235.50/135,699.84 - Step 6: Final answer
x = 133,714.84
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1.5x scale
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.