Home / 104,944.47-144,821.70-57,198.21

Finding the Fourth Proportional to 104,944.47, 144,821.70 and 57,198.21

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Solution

The fourth proportional to 104,944.47, 144,821.70 and 57,198.21 is: 78,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,944.47 : 144,821.70 = 57,198.21 : x
  2. Step 2: Convert to fraction form
    104,944.47/144,821.70 = 57,198.21/x
  3. Step 3: Cross multiply
    104,944.47x = 144,821.70 × 57,198.21
  4. Step 4: Simplify right side
    104,944.47x = 8,283,542,009.16
  5. Step 5: Solve for x
    x = 8,283,542,009.16/104,944.47
  6. Step 6: Final answer
    x = 78,932.62

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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.