Home / 260,896.05-391,184.13-111,051.03

Finding the Fourth Proportional to 260,896.05, 391,184.13 and 111,051.03

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Solution

The fourth proportional to 260,896.05, 391,184.13 and 111,051.03 is: 166,508.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,896.05 : 391,184.13 = 111,051.03 : x
  2. Step 2: Convert to fraction form
    260,896.05/391,184.13 = 111,051.03/x
  3. Step 3: Cross multiply
    260,896.05x = 391,184.13 × 111,051.03
  4. Step 4: Simplify right side
    260,896.05x = 43,441,400,556.15
  5. Step 5: Solve for x
    x = 43,441,400,556.15/260,896.05
  6. Step 6: Final answer
    x = 166,508.46

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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.