Home / 144,187.33-198,954.33-80,525.38

Finding the Fourth Proportional to 144,187.33, 198,954.33 and 80,525.38

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Solution

The fourth proportional to 144,187.33, 198,954.33 and 80,525.38 is: 111,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,187.33 : 198,954.33 = 80,525.38 : x
  2. Step 2: Convert to fraction form
    144,187.33/198,954.33 = 80,525.38/x
  3. Step 3: Cross multiply
    144,187.33x = 198,954.33 × 80,525.38
  4. Step 4: Simplify right side
    144,187.33x = 16,020,873,025.90
  5. Step 5: Solve for x
    x = 16,020,873,025.90/144,187.33
  6. Step 6: Final answer
    x = 111,111.52

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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.