Finding the Fourth Proportional to 164,840.31, 227,491.11 and 93,220.65
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Solution
The fourth proportional to 164,840.31, 227,491.11 and 93,220.65 is: 128,650.99
Step by Step Solution
- Step 1: Write the proportion equation
164,840.31 : 227,491.11 = 93,220.65 : x - Step 2: Convert to fraction form
164,840.31/227,491.11 = 93,220.65/x - Step 3: Cross multiply
164,840.31x = 227,491.11 × 93,220.65 - Step 4: Simplify right side
164,840.31x = 21,206,869,143.42 - Step 5: Solve for x
x = 21,206,869,143.42/164,840.31 - Step 6: Final answer
x = 128,650.99
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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.