Finding the Fourth Proportional to 135,946.27, 187,530.26 and 126,324.31
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Solution
The fourth proportional to 135,946.27, 187,530.26 and 126,324.31 is: 174,257.31
Step by Step Solution
- Step 1: Write the proportion equation
135,946.27 : 187,530.26 = 126,324.31 : x - Step 2: Convert to fraction form
135,946.27/187,530.26 = 126,324.31/x - Step 3: Cross multiply
135,946.27x = 187,530.26 × 126,324.31 - Step 4: Simplify right side
135,946.27x = 23,689,630,698.62 - Step 5: Solve for x
x = 23,689,630,698.62/135,946.27 - Step 6: Final answer
x = 174,257.31
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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.