Finding the Fourth Proportional to 160,426.26, 221,446.64 and 93,358.26
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Solution
The fourth proportional to 160,426.26, 221,446.64 and 93,358.26 is: 128,868.38
Step by Step Solution
- Step 1: Write the proportion equation
160,426.26 : 221,446.64 = 93,358.26 : x - Step 2: Convert to fraction form
160,426.26/221,446.64 = 93,358.26/x - Step 3: Cross multiply
160,426.26x = 221,446.64 × 93,358.26 - Step 4: Simplify right side
160,426.26x = 20,673,872,993.25 - Step 5: Solve for x
x = 20,673,872,993.25/160,426.26 - Step 6: Final answer
x = 128,868.38
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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.