Home / 202,016.58-278,781.73-111,372.22

Finding the Fourth Proportional to 202,016.58, 278,781.73 and 111,372.22

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Solution

The fourth proportional to 202,016.58, 278,781.73 and 111,372.22 is: 153,693.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,016.58 : 278,781.73 = 111,372.22 : x
  2. Step 2: Convert to fraction form
    202,016.58/278,781.73 = 111,372.22/x
  3. Step 3: Cross multiply
    202,016.58x = 278,781.73 × 111,372.22
  4. Step 4: Simplify right side
    202,016.58x = 31,048,540,165.54
  5. Step 5: Solve for x
    x = 31,048,540,165.54/202,016.58
  6. Step 6: Final answer
    x = 153,693.03

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1.5x scale

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.