Home / 150,632.11-207,872.20-82,649.51

Finding the Fourth Proportional to 150,632.11, 207,872.20 and 82,649.51

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Solution

The fourth proportional to 150,632.11, 207,872.20 and 82,649.51 is: 114,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,632.11 : 207,872.20 = 82,649.51 : x
  2. Step 2: Convert to fraction form
    150,632.11/207,872.20 = 82,649.51/x
  3. Step 3: Cross multiply
    150,632.11x = 207,872.20 × 82,649.51
  4. Step 4: Simplify right side
    150,632.11x = 17,180,535,785.68
  5. Step 5: Solve for x
    x = 17,180,535,785.68/150,632.11
  6. Step 6: Final answer
    x = 114,056.27

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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.