Finding the Fourth Proportional to 168,198.53, 232,023.11 and 103,681.80
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Solution
The fourth proportional to 168,198.53, 232,023.11 and 103,681.80 is: 143,024.88
Step by Step Solution
- Step 1: Write the proportion equation
168,198.53 : 232,023.11 = 103,681.80 : x - Step 2: Convert to fraction form
168,198.53/232,023.11 = 103,681.80/x - Step 3: Cross multiply
168,198.53x = 232,023.11 × 103,681.80 - Step 4: Simplify right side
168,198.53x = 24,056,573,167.99 - Step 5: Solve for x
x = 24,056,573,167.99/168,198.53 - Step 6: Final answer
x = 143,024.88
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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.