Home / 150,571.14-207,789.21-83,507.46

Finding the Fourth Proportional to 150,571.14, 207,789.21 and 83,507.46

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Solution

The fourth proportional to 150,571.14, 207,789.21 and 83,507.46 is: 115,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,571.14 : 207,789.21 = 83,507.46 : x
  2. Step 2: Convert to fraction form
    150,571.14/207,789.21 = 83,507.46/x
  3. Step 3: Cross multiply
    150,571.14x = 207,789.21 × 83,507.46
  4. Step 4: Simplify right side
    150,571.14x = 17,351,949,142.51
  5. Step 5: Solve for x
    x = 17,351,949,142.51/150,571.14
  6. Step 6: Final answer
    x = 115,240.87

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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.