Home / 127,252.33-190,836.11-51,331.25

Finding the Fourth Proportional to 127,252.33, 190,836.11 and 51,331.25

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Solution

The fourth proportional to 127,252.33, 190,836.11 and 51,331.25 is: 76,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,252.33 : 190,836.11 = 51,331.25 : x
  2. Step 2: Convert to fraction form
    127,252.33/190,836.11 = 51,331.25/x
  3. Step 3: Cross multiply
    127,252.33x = 190,836.11 × 51,331.25
  4. Step 4: Simplify right side
    127,252.33x = 9,795,855,814.78
  5. Step 5: Solve for x
    x = 9,795,855,814.78/127,252.33
  6. Step 6: Final answer
    x = 76,979.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.