Home / 104,201.12-143,819.84-67,947.84

Finding the Fourth Proportional to 104,201.12, 143,819.84 and 67,947.84

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Solution

The fourth proportional to 104,201.12, 143,819.84 and 67,947.84 is: 93,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,201.12 : 143,819.84 = 67,947.84 : x
  2. Step 2: Convert to fraction form
    104,201.12/143,819.84 = 67,947.84/x
  3. Step 3: Cross multiply
    104,201.12x = 143,819.84 × 67,947.84
  4. Step 4: Simplify right side
    104,201.12x = 9,772,247,477.15
  5. Step 5: Solve for x
    x = 9,772,247,477.15/104,201.12
  6. Step 6: Final answer
    x = 93,782.56

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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.