Home / 127,252.07-190,835.72-51,331.02

Finding the Fourth Proportional to 127,252.07, 190,835.72 and 51,331.02

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Solution

The fourth proportional to 127,252.07, 190,835.72 and 51,331.02 is: 76,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,252.07 : 190,835.72 = 51,331.02 : x
  2. Step 2: Convert to fraction form
    127,252.07/190,835.72 = 51,331.02/x
  3. Step 3: Cross multiply
    127,252.07x = 190,835.72 × 51,331.02
  4. Step 4: Simplify right side
    127,252.07x = 9,795,792,160.03
  5. Step 5: Solve for x
    x = 9,795,792,160.03/127,252.07
  6. Step 6: Final answer
    x = 76,979.43

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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.