Home / 150,618.80-207,856.07-82,634.54

Finding the Fourth Proportional to 150,618.80, 207,856.07 and 82,634.54

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Solution

The fourth proportional to 150,618.80, 207,856.07 and 82,634.54 is: 114,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,618.80 : 207,856.07 = 82,634.54 : x
  2. Step 2: Convert to fraction form
    150,618.80/207,856.07 = 82,634.54/x
  3. Step 3: Cross multiply
    150,618.80x = 207,856.07 × 82,634.54
  4. Step 4: Simplify right side
    150,618.80x = 17,176,090,991.47
  5. Step 5: Solve for x
    x = 17,176,090,991.47/150,618.80
  6. Step 6: Final answer
    x = 114,036.83

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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.