Home / 150,962.16-208,331.28-82,982.64

Finding the Fourth Proportional to 150,962.16, 208,331.28 and 82,982.64

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Solution

The fourth proportional to 150,962.16, 208,331.28 and 82,982.64 is: 114,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,962.16 : 208,331.28 = 82,982.64 : x
  2. Step 2: Convert to fraction form
    150,962.16/208,331.28 = 82,982.64/x
  3. Step 3: Cross multiply
    150,962.16x = 208,331.28 × 82,982.64
  4. Step 4: Simplify right side
    150,962.16x = 17,287,879,608.98
  5. Step 5: Solve for x
    x = 17,287,879,608.98/150,962.16
  6. Step 6: Final answer
    x = 114,517.97

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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.