Finding the Fourth Proportional to 164,790.81, 227,420.33 and 93,177.09
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Solution
The fourth proportional to 164,790.81, 227,420.33 and 93,177.09 is: 128,589.48
Step by Step Solution
- Step 1: Write the proportion equation
164,790.81 : 227,420.33 = 93,177.09 : x - Step 2: Convert to fraction form
164,790.81/227,420.33 = 93,177.09/x - Step 3: Cross multiply
164,790.81x = 227,420.33 × 93,177.09 - Step 4: Simplify right side
164,790.81x = 21,190,364,090.35 - Step 5: Solve for x
x = 21,190,364,090.35/164,790.81 - Step 6: Final answer
x = 128,589.48
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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.