Home / 150,256.75-207,361.17-83,188.75

Finding the Fourth Proportional to 150,256.75, 207,361.17 and 83,188.75

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Solution

The fourth proportional to 150,256.75, 207,361.17 and 83,188.75 is: 114,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,256.75 : 207,361.17 = 83,188.75 : x
  2. Step 2: Convert to fraction form
    150,256.75/207,361.17 = 83,188.75/x
  3. Step 3: Cross multiply
    150,256.75x = 207,361.17 × 83,188.75
  4. Step 4: Simplify right side
    150,256.75x = 17,250,116,530.84
  5. Step 5: Solve for x
    x = 17,250,116,530.84/150,256.75
  6. Step 6: Final answer
    x = 114,804.27

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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.