Finding the Fourth Proportional to 192,885.24, 266,115.42 and 112,281.96
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Solution
The fourth proportional to 192,885.24, 266,115.42 and 112,281.96 is: 154,910.56
Step by Step Solution
- Step 1: Write the proportion equation
192,885.24 : 266,115.42 = 112,281.96 : x - Step 2: Convert to fraction form
192,885.24/266,115.42 = 112,281.96/x - Step 3: Cross multiply
192,885.24x = 266,115.42 × 112,281.96 - Step 4: Simplify right side
192,885.24x = 29,879,960,943.82 - Step 5: Solve for x
x = 29,879,960,943.82/192,885.24 - Step 6: Final answer
x = 154,910.56
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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.