Home / 104,039.23-143,535.73-68,277.84

Finding the Fourth Proportional to 104,039.23, 143,535.73 and 68,277.84

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Solution

The fourth proportional to 104,039.23, 143,535.73 and 68,277.84 is: 94,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,039.23 : 143,535.73 = 68,277.84 : x
  2. Step 2: Convert to fraction form
    104,039.23/143,535.73 = 68,277.84/x
  3. Step 3: Cross multiply
    104,039.23x = 143,535.73 × 68,277.84
  4. Step 4: Simplify right side
    104,039.23x = 9,800,308,718.85
  5. Step 5: Solve for x
    x = 9,800,308,718.85/104,039.23
  6. Step 6: Final answer
    x = 94,198.21

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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.