Finding the Fourth Proportional to 238,579.17, 329,239.94 and 136,606.18
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Solution
The fourth proportional to 238,579.17, 329,239.94 and 136,606.18 is: 188,516.92
Step by Step Solution
- Step 1: Write the proportion equation
238,579.17 : 329,239.94 = 136,606.18 : x - Step 2: Convert to fraction form
238,579.17/329,239.94 = 136,606.18/x - Step 3: Cross multiply
238,579.17x = 329,239.94 × 136,606.18 - Step 4: Simplify right side
238,579.17x = 44,976,210,506.83 - Step 5: Solve for x
x = 44,976,210,506.83/238,579.17 - Step 6: Final answer
x = 188,516.92
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1.5x scale
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.