Finding the Fourth Proportional to 150,267.06, 207,644.85 and 107,758.26
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Solution
The fourth proportional to 150,267.06, 207,644.85 and 107,758.26 is: 148,904.54
Step by Step Solution
- Step 1: Write the proportion equation
150,267.06 : 207,644.85 = 107,758.26 : x - Step 2: Convert to fraction form
150,267.06/207,644.85 = 107,758.26/x - Step 3: Cross multiply
150,267.06x = 207,644.85 × 107,758.26 - Step 4: Simplify right side
150,267.06x = 22,375,447,733.96 - Step 5: Solve for x
x = 22,375,447,733.96/150,267.06 - Step 6: Final answer
x = 148,904.54
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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.