Finding the Fourth Proportional to 136,000.53, 187,676.99 and 75,569.62
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Solution
The fourth proportional to 136,000.53, 187,676.99 and 75,569.62 is: 104,284.00
Step by Step Solution
- Step 1: Write the proportion equation
136,000.53 : 187,676.99 = 75,569.62 : x - Step 2: Convert to fraction form
136,000.53/187,676.99 = 75,569.62/x - Step 3: Cross multiply
136,000.53x = 187,676.99 × 75,569.62 - Step 4: Simplify right side
136,000.53x = 14,182,678,817.04 - Step 5: Solve for x
x = 14,182,678,817.04/136,000.53 - Step 6: Final answer
x = 104,284.00
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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.