Finding the Fourth Proportional to 249,201.94, 343,852.68 and 141,765.70
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Solution
The fourth proportional to 249,201.94, 343,852.68 and 141,765.70 is: 195,610.50
Step by Step Solution
- Step 1: Write the proportion equation
249,201.94 : 343,852.68 = 141,765.70 : x - Step 2: Convert to fraction form
249,201.94/343,852.68 = 141,765.70/x - Step 3: Cross multiply
249,201.94x = 343,852.68 × 141,765.70 - Step 4: Simplify right side
249,201.94x = 48,746,515,877.08 - Step 5: Solve for x
x = 48,746,515,877.08/249,201.94 - Step 6: Final answer
x = 195,610.50
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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.