Home / 115,922.70-173,884.05-74,450.70

Finding the Fourth Proportional to 115,922.70, 173,884.05 and 74,450.70

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Solution

The fourth proportional to 115,922.70, 173,884.05 and 74,450.70 is: 111,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,922.70 : 173,884.05 = 74,450.70 : x
  2. Step 2: Convert to fraction form
    115,922.70/173,884.05 = 74,450.70/x
  3. Step 3: Cross multiply
    115,922.70x = 173,884.05 × 74,450.70
  4. Step 4: Simplify right side
    115,922.70x = 12,945,789,241.34
  5. Step 5: Solve for x
    x = 12,945,789,241.34/115,922.70
  6. Step 6: Final answer
    x = 111,676.05

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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.