Home / 104,636.31-144,453.21-83,993.73

Finding the Fourth Proportional to 104,636.31, 144,453.21 and 83,993.73

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Solution

The fourth proportional to 104,636.31, 144,453.21 and 83,993.73 is: 115,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,636.31 : 144,453.21 = 83,993.73 : x
  2. Step 2: Convert to fraction form
    104,636.31/144,453.21 = 83,993.73/x
  3. Step 3: Cross multiply
    104,636.31x = 144,453.21 × 83,993.73
  4. Step 4: Simplify right side
    104,636.31x = 12,133,163,918.37
  5. Step 5: Solve for x
    x = 12,133,163,918.37/104,636.31
  6. Step 6: Final answer
    x = 115,955.58

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1.5x scale

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.