Finding the Fourth Proportional to 165,946.05, 228,946.50 and 97,928.99
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Solution
The fourth proportional to 165,946.05, 228,946.50 and 97,928.99 is: 135,107.16
Step by Step Solution
- Step 1: Write the proportion equation
165,946.05 : 228,946.50 = 97,928.99 : x - Step 2: Convert to fraction form
165,946.05/228,946.50 = 97,928.99/x - Step 3: Cross multiply
165,946.05x = 228,946.50 × 97,928.99 - Step 4: Simplify right side
165,946.05x = 22,420,499,222.85 - Step 5: Solve for x
x = 22,420,499,222.85/165,946.05 - Step 6: Final answer
x = 135,107.16
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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.