Finding the Fourth Proportional to 166,140.99, 249,205.01 and 55,332.99
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Solution
The fourth proportional to 166,140.99, 249,205.01 and 55,332.99 is: 82,997.33
Step by Step Solution
- Step 1: Write the proportion equation
166,140.99 : 249,205.01 = 55,332.99 : x - Step 2: Convert to fraction form
166,140.99/249,205.01 = 55,332.99/x - Step 3: Cross multiply
166,140.99x = 249,205.01 × 55,332.99 - Step 4: Simplify right side
166,140.99x = 13,789,258,049.62 - Step 5: Solve for x
x = 13,789,258,049.62/166,140.99 - Step 6: Final answer
x = 82,997.33
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1.5x scale
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.