Finding the Fourth Proportional to 163,133.24, 225,088.07 and 157,757.31
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Solution
The fourth proportional to 163,133.24, 225,088.07 and 157,757.31 is: 217,670.47
Step by Step Solution
- Step 1: Write the proportion equation
163,133.24 : 225,088.07 = 157,757.31 : x - Step 2: Convert to fraction form
163,133.24/225,088.07 = 157,757.31/x - Step 3: Cross multiply
163,133.24x = 225,088.07 × 157,757.31 - Step 4: Simplify right side
163,133.24x = 35,509,287,647.51 - Step 5: Solve for x
x = 35,509,287,647.51/163,133.24 - Step 6: Final answer
x = 217,670.47
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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.