Finding the Fourth Proportional to 150,958.24, 207,962.32 and 105,551.26
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Solution
The fourth proportional to 150,958.24, 207,962.32 and 105,551.26 is: 145,408.99
Step by Step Solution
- Step 1: Write the proportion equation
150,958.24 : 207,962.32 = 105,551.26 : x - Step 2: Convert to fraction form
150,958.24/207,962.32 = 105,551.26/x - Step 3: Cross multiply
150,958.24x = 207,962.32 × 105,551.26 - Step 4: Simplify right side
150,958.24x = 21,950,684,908.52 - Step 5: Solve for x
x = 21,950,684,908.52/150,958.24 - Step 6: Final answer
x = 145,408.99
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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.