Finding the Fourth Proportional to 192,769.95, 266,022.50 and 107,887.02
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Solution
The fourth proportional to 192,769.95, 266,022.50 and 107,887.02 is: 148,884.07
Step by Step Solution
- Step 1: Write the proportion equation
192,769.95 : 266,022.50 = 107,887.02 : x - Step 2: Convert to fraction form
192,769.95/266,022.50 = 107,887.02/x - Step 3: Cross multiply
192,769.95x = 266,022.50 × 107,887.02 - Step 4: Simplify right side
192,769.95x = 28,700,374,238.51 - Step 5: Solve for x
x = 28,700,374,238.51/192,769.95 - Step 6: Final answer
x = 148,884.07
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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.