Finding the Fourth Proportional to 165,888,107.70, 248,832,161.55 and 135,655,019.70
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Solution
The fourth proportional to 165,888,107.70, 248,832,161.55 and 135,655,019.70 is: 203,482,529.55
Step by Step Solution
- Step 1: Write the proportion equation
165,888,107.70 : 248,832,161.55 = 135,655,019.70 : x - Step 2: Convert to fraction form
165,888,107.70/248,832,161.55 = 135,655,019.70/x - Step 3: Cross multiply
165,888,107.70x = 248,832,161.55 × 135,655,019.70 - Step 4: Simplify right side
165,888,107.70x = 33,755,331,777,058,832 - Step 5: Solve for x
x = 33,755,331,777,058,832/165,888,107.70 - Step 6: Final answer
x = 203,482,529.55
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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.