Finding the Fourth Proportional to 157,050.63, 216,658.40 and 93,352.23
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Solution
The fourth proportional to 157,050.63, 216,658.40 and 93,352.23 is: 128,783.59
Step by Step Solution
- Step 1: Write the proportion equation
157,050.63 : 216,658.40 = 93,352.23 : x - Step 2: Convert to fraction form
157,050.63/216,658.40 = 93,352.23/x - Step 3: Cross multiply
157,050.63x = 216,658.40 × 93,352.23 - Step 4: Simplify right side
157,050.63x = 20,225,544,321.47 - Step 5: Solve for x
x = 20,225,544,321.47/157,050.63 - Step 6: Final answer
x = 128,783.59
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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.