Home / 272,135.92-408,205.18-82,597.93

Finding the Fourth Proportional to 272,135.92, 408,205.18 and 82,597.93

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Solution

The fourth proportional to 272,135.92, 408,205.18 and 82,597.93 is: 123,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,135.92 : 408,205.18 = 82,597.93 : x
  2. Step 2: Convert to fraction form
    272,135.92/408,205.18 = 82,597.93/x
  3. Step 3: Cross multiply
    272,135.92x = 408,205.18 × 82,597.93
  4. Step 4: Simplify right side
    272,135.92x = 33,716,902,883.28
  5. Step 5: Solve for x
    x = 33,716,902,883.28/272,135.92
  6. Step 6: Final answer
    x = 123,897.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.