Home / 101,105.97-151,514.44-74,241.18

Finding the Fourth Proportional to 101,105.97, 151,514.44 and 74,241.18

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Solution

The fourth proportional to 101,105.97, 151,514.44 and 74,241.18 is: 111,255.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,105.97 : 151,514.44 = 74,241.18 : x
  2. Step 2: Convert to fraction form
    101,105.97/151,514.44 = 74,241.18/x
  3. Step 3: Cross multiply
    101,105.97x = 151,514.44 × 74,241.18
  4. Step 4: Simplify right side
    101,105.97x = 11,248,610,055.07
  5. Step 5: Solve for x
    x = 11,248,610,055.07/101,105.97
  6. Step 6: Final answer
    x = 111,255.65

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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.