Home / 150,772.75-208,057.07-82,789.45

Finding the Fourth Proportional to 150,772.75, 208,057.07 and 82,789.45

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Solution

The fourth proportional to 150,772.75, 208,057.07 and 82,789.45 is: 114,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,772.75 : 208,057.07 = 82,789.45 : x
  2. Step 2: Convert to fraction form
    150,772.75/208,057.07 = 82,789.45/x
  3. Step 3: Cross multiply
    150,772.75x = 208,057.07 × 82,789.45
  4. Step 4: Simplify right side
    150,772.75x = 17,224,930,080.74
  5. Step 5: Solve for x
    x = 17,224,930,080.74/150,772.75
  6. Step 6: Final answer
    x = 114,244.32

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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.