Home / 150,694.24-207,959.28-83,627.36

Finding the Fourth Proportional to 150,694.24, 207,959.28 and 83,627.36

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Solution

The fourth proportional to 150,694.24, 207,959.28 and 83,627.36 is: 115,406.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,694.24 : 207,959.28 = 83,627.36 : x
  2. Step 2: Convert to fraction form
    150,694.24/207,959.28 = 83,627.36/x
  3. Step 3: Cross multiply
    150,694.24x = 207,959.28 × 83,627.36
  4. Step 4: Simplify right side
    150,694.24x = 17,391,085,573.90
  5. Step 5: Solve for x
    x = 17,391,085,573.90/150,694.24
  6. Step 6: Final answer
    x = 115,406.44

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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.