Home / 148,755.29-205,284.44-80,772.39

Finding the Fourth Proportional to 148,755.29, 205,284.44 and 80,772.39

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Solution

The fourth proportional to 148,755.29, 205,284.44 and 80,772.39 is: 111,467.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,755.29 : 205,284.44 = 80,772.39 : x
  2. Step 2: Convert to fraction form
    148,755.29/205,284.44 = 80,772.39/x
  3. Step 3: Cross multiply
    148,755.29x = 205,284.44 × 80,772.39
  4. Step 4: Simplify right side
    148,755.29x = 16,581,315,050.54
  5. Step 5: Solve for x
    x = 16,581,315,050.54/148,755.29
  6. Step 6: Final answer
    x = 111,467.07

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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.