Finding the Fourth Proportional to 236,113.93, 325,827.73 and 128,681.65
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Solution
The fourth proportional to 236,113.93, 325,827.73 and 128,681.65 is: 177,575.50
Step by Step Solution
- Step 1: Write the proportion equation
236,113.93 : 325,827.73 = 128,681.65 : x - Step 2: Convert to fraction form
236,113.93/325,827.73 = 128,681.65/x - Step 3: Cross multiply
236,113.93x = 325,827.73 × 128,681.65 - Step 4: Simplify right side
236,113.93x = 41,928,050,480.29 - Step 5: Solve for x
x = 41,928,050,480.29/236,113.93 - Step 6: Final answer
x = 177,575.50
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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.