Finding the Fourth Proportional to 110,952.19, 153,133.17 and 107,261.63
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Solution
The fourth proportional to 110,952.19, 153,133.17 and 107,261.63 is: 148,039.56
Step by Step Solution
- Step 1: Write the proportion equation
110,952.19 : 153,133.17 = 107,261.63 : x - Step 2: Convert to fraction form
110,952.19/153,133.17 = 107,261.63/x - Step 3: Cross multiply
110,952.19x = 153,133.17 × 107,261.63 - Step 4: Simplify right side
110,952.19x = 16,425,312,655.60 - Step 5: Solve for x
x = 16,425,312,655.60/110,952.19 - Step 6: Final answer
x = 148,039.56
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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.