Finding the Fourth Proportional to 200,202.90, 276,159.90 and 132,219.99
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Solution
The fourth proportional to 200,202.90, 276,159.90 and 132,219.99 is: 182,384.27
Step by Step Solution
- Step 1: Write the proportion equation
200,202.90 : 276,159.90 = 132,219.99 : x - Step 2: Convert to fraction form
200,202.90/276,159.90 = 132,219.99/x - Step 3: Cross multiply
200,202.90x = 276,159.90 × 132,219.99 - Step 4: Simplify right side
200,202.90x = 36,513,859,216.40 - Step 5: Solve for x
x = 36,513,859,216.40/200,202.90 - Step 6: Final answer
x = 182,384.27
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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.