Home / 150,976.58-208,345.28-82,992.11

Finding the Fourth Proportional to 150,976.58, 208,345.28 and 82,992.11

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Solution

The fourth proportional to 150,976.58, 208,345.28 and 82,992.11 is: 114,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,976.58 : 208,345.28 = 82,992.11 : x
  2. Step 2: Convert to fraction form
    150,976.58/208,345.28 = 82,992.11/x
  3. Step 3: Cross multiply
    150,976.58x = 208,345.28 × 82,992.11
  4. Step 4: Simplify right side
    150,976.58x = 17,291,012,939.05
  5. Step 5: Solve for x
    x = 17,291,012,939.05/150,976.58
  6. Step 6: Final answer
    x = 114,527.79

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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.