Home / 140,949.16-194,289.06-106,821.04

Finding the Fourth Proportional to 140,949.16, 194,289.06 and 106,821.04

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Solution

The fourth proportional to 140,949.16, 194,289.06 and 106,821.04 is: 147,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,949.16 : 194,289.06 = 106,821.04 : x
  2. Step 2: Convert to fraction form
    140,949.16/194,289.06 = 106,821.04/x
  3. Step 3: Cross multiply
    140,949.16x = 194,289.06 × 106,821.04
  4. Step 4: Simplify right side
    140,949.16x = 20,754,159,449.82
  5. Step 5: Solve for x
    x = 20,754,159,449.82/140,949.16
  6. Step 6: Final answer
    x = 147,245.71

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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.