Home / 105,900.14-158,850.35-74,450.85

Finding the Fourth Proportional to 105,900.14, 158,850.35 and 74,450.85

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Solution

The fourth proportional to 105,900.14, 158,850.35 and 74,450.85 is: 111,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,900.14 : 158,850.35 = 74,450.85 : x
  2. Step 2: Convert to fraction form
    105,900.14/158,850.35 = 74,450.85/x
  3. Step 3: Cross multiply
    105,900.14x = 158,850.35 × 74,450.85
  4. Step 4: Simplify right side
    105,900.14x = 11,826,543,208.04
  5. Step 5: Solve for x
    x = 11,826,543,208.04/105,900.14
  6. Step 6: Final answer
    x = 111,676.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.