Finding the Fourth Proportional to 293,636.01, 405,246.11 and 164,596.40
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Solution
The fourth proportional to 293,636.01, 405,246.11 and 164,596.40 is: 227,158.95
Step by Step Solution
- Step 1: Write the proportion equation
293,636.01 : 405,246.11 = 164,596.40 : x - Step 2: Convert to fraction form
293,636.01/405,246.11 = 164,596.40/x - Step 3: Cross multiply
293,636.01x = 405,246.11 × 164,596.40 - Step 4: Simplify right side
293,636.01x = 66,702,047,970.79 - Step 5: Solve for x
x = 66,702,047,970.79/293,636.01 - Step 6: Final answer
x = 227,158.95
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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.