Finding the Fourth Proportional to 167,683.26, 231,321.58 and 99,652.08
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Solution
The fourth proportional to 167,683.26, 231,321.58 and 99,652.08 is: 137,471.54
Step by Step Solution
- Step 1: Write the proportion equation
167,683.26 : 231,321.58 = 99,652.08 : x - Step 2: Convert to fraction form
167,683.26/231,321.58 = 99,652.08/x - Step 3: Cross multiply
167,683.26x = 231,321.58 × 99,652.08 - Step 4: Simplify right side
167,683.26x = 23,051,676,595.89 - Step 5: Solve for x
x = 23,051,676,595.89/167,683.26 - Step 6: Final answer
x = 137,471.54
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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.