Home / 150,093.80-207,109.14-85,571.36

Finding the Fourth Proportional to 150,093.80, 207,109.14 and 85,571.36

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Solution

The fourth proportional to 150,093.80, 207,109.14 and 85,571.36 is: 118,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,093.80 : 207,109.14 = 85,571.36 : x
  2. Step 2: Convert to fraction form
    150,093.80/207,109.14 = 85,571.36/x
  3. Step 3: Cross multiply
    150,093.80x = 207,109.14 × 85,571.36
  4. Step 4: Simplify right side
    150,093.80x = 17,722,609,742.68
  5. Step 5: Solve for x
    x = 17,722,609,742.68/150,093.80
  6. Step 6: Final answer
    x = 118,076.90

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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.