Home / 161,105.40-241,427.70-111,799.80

Finding the Fourth Proportional to 161,105.40, 241,427.70 and 111,799.80

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Solution

The fourth proportional to 161,105.40, 241,427.70 and 111,799.80 is: 167,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,105.40 : 241,427.70 = 111,799.80 : x
  2. Step 2: Convert to fraction form
    161,105.40/241,427.70 = 111,799.80/x
  3. Step 3: Cross multiply
    161,105.40x = 241,427.70 × 111,799.80
  4. Step 4: Simplify right side
    161,105.40x = 26,991,568,574.46
  5. Step 5: Solve for x
    x = 26,991,568,574.46/161,105.40
  6. Step 6: Final answer
    x = 167,539.81

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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.