Home / 150,899.12-208,243.44-82,919.06

Finding the Fourth Proportional to 150,899.12, 208,243.44 and 82,919.06

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Solution

The fourth proportional to 150,899.12, 208,243.44 and 82,919.06 is: 114,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,899.12 : 208,243.44 = 82,919.06 : x
  2. Step 2: Convert to fraction form
    150,899.12/208,243.44 = 82,919.06/x
  3. Step 3: Cross multiply
    150,899.12x = 208,243.44 × 82,919.06
  4. Step 4: Simplify right side
    150,899.12x = 17,267,350,295.97
  5. Step 5: Solve for x
    x = 17,267,350,295.97/150,899.12
  6. Step 6: Final answer
    x = 114,429.76

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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.