Home / 104,928.35-144,800.87-57,181.57

Finding the Fourth Proportional to 104,928.35, 144,800.87 and 57,181.57

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Solution

The fourth proportional to 104,928.35, 144,800.87 and 57,181.57 is: 78,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,928.35 : 144,800.87 = 57,181.57 : x
  2. Step 2: Convert to fraction form
    104,928.35/144,800.87 = 57,181.57/x
  3. Step 3: Cross multiply
    104,928.35x = 144,800.87 × 57,181.57
  4. Step 4: Simplify right side
    104,928.35x = 8,279,940,436.06
  5. Step 5: Solve for x
    x = 8,279,940,436.06/104,928.35
  6. Step 6: Final answer
    x = 78,910.43

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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.