Home / 104,108.52-143,571.42-68,329.56

Finding the Fourth Proportional to 104,108.52, 143,571.42 and 68,329.56

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Solution

The fourth proportional to 104,108.52, 143,571.42 and 68,329.56 is: 94,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,108.52 : 143,571.42 = 68,329.56 : x
  2. Step 2: Convert to fraction form
    104,108.52/143,571.42 = 68,329.56/x
  3. Step 3: Cross multiply
    104,108.52x = 143,571.42 × 68,329.56
  4. Step 4: Simplify right side
    104,108.52x = 9,810,171,957.18
  5. Step 5: Solve for x
    x = 9,810,171,957.18/104,108.52
  6. Step 6: Final answer
    x = 94,230.25

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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.