Finding the Fourth Proportional to 135,027.20, 202,540.80 and 133,058.90
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Solution
The fourth proportional to 135,027.20, 202,540.80 and 133,058.90 is: 199,588.35
Step by Step Solution
- Step 1: Write the proportion equation
135,027.20 : 202,540.80 = 133,058.90 : x - Step 2: Convert to fraction form
135,027.20/202,540.80 = 133,058.90/x - Step 3: Cross multiply
135,027.20x = 202,540.80 × 133,058.90 - Step 4: Simplify right side
135,027.20x = 26,949,856,053.12 - Step 5: Solve for x
x = 26,949,856,053.12/135,027.20 - Step 6: Final answer
x = 199,588.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.