Finding the Fourth Proportional to 167,564.98, 231,244.12 and 91,089.23
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Solution
The fourth proportional to 167,564.98, 231,244.12 and 91,089.23 is: 125,705.56
Step by Step Solution
- Step 1: Write the proportion equation
167,564.98 : 231,244.12 = 91,089.23 : x - Step 2: Convert to fraction form
167,564.98/231,244.12 = 91,089.23/x - Step 3: Cross multiply
167,564.98x = 231,244.12 × 91,089.23 - Step 4: Simplify right side
167,564.98x = 21,063,849,229.21 - Step 5: Solve for x
x = 21,063,849,229.21/167,564.98 - Step 6: Final answer
x = 125,705.56
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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.