Finding the Fourth Proportional to 130,224.01, 196,312.05 and 121,543.99
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Solution
The fourth proportional to 130,224.01, 196,312.05 and 121,543.99 is: 183,226.96
Step by Step Solution
- Step 1: Write the proportion equation
130,224.01 : 196,312.05 = 121,543.99 : x - Step 2: Convert to fraction form
130,224.01/196,312.05 = 121,543.99/x - Step 3: Cross multiply
130,224.01x = 196,312.05 × 121,543.99 - Step 4: Simplify right side
130,224.01x = 23,860,549,842.08 - Step 5: Solve for x
x = 23,860,549,842.08/130,224.01 - Step 6: Final answer
x = 183,226.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.