Home / 150,979.41-208,354.21-82,999.25

Finding the Fourth Proportional to 150,979.41, 208,354.21 and 82,999.25

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Solution

The fourth proportional to 150,979.41, 208,354.21 and 82,999.25 is: 114,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,979.41 : 208,354.21 = 82,999.25 : x
  2. Step 2: Convert to fraction form
    150,979.41/208,354.21 = 82,999.25/x
  3. Step 3: Cross multiply
    150,979.41x = 208,354.21 × 82,999.25
  4. Step 4: Simplify right side
    150,979.41x = 17,293,242,381.94
  5. Step 5: Solve for x
    x = 17,293,242,381.94/150,979.41
  6. Step 6: Final answer
    x = 114,540.41

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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.