Finding the Fourth Proportional to 249,436.84, 344,230.42 and 136,266.92
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Solution
The fourth proportional to 249,436.84, 344,230.42 and 136,266.92 is: 188,052.49
Step by Step Solution
- Step 1: Write the proportion equation
249,436.84 : 344,230.42 = 136,266.92 : x - Step 2: Convert to fraction form
249,436.84/344,230.42 = 136,266.92/x - Step 3: Cross multiply
249,436.84x = 344,230.42 × 136,266.92 - Step 4: Simplify right side
249,436.84x = 46,907,219,103.71 - Step 5: Solve for x
x = 46,907,219,103.71/249,436.84 - Step 6: Final answer
x = 188,052.49
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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.