Finding the Fourth Proportional to 216,033.80, 324,050.70 and 163,545.80
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Solution
The fourth proportional to 216,033.80, 324,050.70 and 163,545.80 is: 245,318.70
Step by Step Solution
- Step 1: Write the proportion equation
216,033.80 : 324,050.70 = 163,545.80 : x - Step 2: Convert to fraction form
216,033.80/324,050.70 = 163,545.80/x - Step 3: Cross multiply
216,033.80x = 324,050.70 × 163,545.80 - Step 4: Simplify right side
216,033.80x = 52,997,130,972.06 - Step 5: Solve for x
x = 52,997,130,972.06/216,033.80 - Step 6: Final answer
x = 245,318.70
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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.