Home / 144,030.35-198,786.15-83,651.54

Finding the Fourth Proportional to 144,030.35, 198,786.15 and 83,651.54

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Solution

The fourth proportional to 144,030.35, 198,786.15 and 83,651.54 is: 115,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,030.35 : 198,786.15 = 83,651.54 : x
  2. Step 2: Convert to fraction form
    144,030.35/198,786.15 = 83,651.54/x
  3. Step 3: Cross multiply
    144,030.35x = 198,786.15 × 83,651.54
  4. Step 4: Simplify right side
    144,030.35x = 16,628,766,584.24
  5. Step 5: Solve for x
    x = 16,628,766,584.24/144,030.35
  6. Step 6: Final answer
    x = 115,453.21

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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.