Finding the Fourth Proportional to 236,912.34, 355,534.58 and 136,934.99
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Solution
The fourth proportional to 236,912.34, 355,534.58 and 136,934.99 is: 205,498.47
Step by Step Solution
- Step 1: Write the proportion equation
236,912.34 : 355,534.58 = 136,934.99 : x - Step 2: Convert to fraction form
236,912.34/355,534.58 = 136,934.99/x - Step 3: Cross multiply
236,912.34x = 355,534.58 × 136,934.99 - Step 4: Simplify right side
236,912.34x = 48,685,124,054.87 - Step 5: Solve for x
x = 48,685,124,054.87/236,912.34 - Step 6: Final answer
x = 205,498.47
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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.