Home / 151,519.44-209,098.20-83,538.84

Finding the Fourth Proportional to 151,519.44, 209,098.20 and 83,538.84

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Solution

The fourth proportional to 151,519.44, 209,098.20 and 83,538.84 is: 115,284.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,519.44 : 209,098.20 = 83,538.84 : x
  2. Step 2: Convert to fraction form
    151,519.44/209,098.20 = 83,538.84/x
  3. Step 3: Cross multiply
    151,519.44x = 209,098.20 × 83,538.84
  4. Step 4: Simplify right side
    151,519.44x = 17,467,821,074.09
  5. Step 5: Solve for x
    x = 17,467,821,074.09/151,519.44
  6. Step 6: Final answer
    x = 115,284.36

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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.