Home / 150,663.24-207,917.28-82,680.75

Finding the Fourth Proportional to 150,663.24, 207,917.28 and 82,680.75

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Solution

The fourth proportional to 150,663.24, 207,917.28 and 82,680.75 is: 114,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,663.24 : 207,917.28 = 82,680.75 : x
  2. Step 2: Convert to fraction form
    150,663.24/207,917.28 = 82,680.75/x
  3. Step 3: Cross multiply
    150,663.24x = 207,917.28 × 82,680.75
  4. Step 4: Simplify right side
    150,663.24x = 17,190,756,648.36
  5. Step 5: Solve for x
    x = 17,190,756,648.36/150,663.24
  6. Step 6: Final answer
    x = 114,100.54

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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.