Finding the Fourth Proportional to 176,615.23, 243,735.42 and 101,178.31
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Solution
The fourth proportional to 176,615.23, 243,735.42 and 101,178.31 is: 139,629.74
Step by Step Solution
- Step 1: Write the proportion equation
176,615.23 : 243,735.42 = 101,178.31 : x - Step 2: Convert to fraction form
176,615.23/243,735.42 = 101,178.31/x - Step 3: Cross multiply
176,615.23x = 243,735.42 × 101,178.31 - Step 4: Simplify right side
176,615.23x = 24,660,737,882.74 - Step 5: Solve for x
x = 24,660,737,882.74/176,615.23 - Step 6: Final answer
x = 139,629.74
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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.