Home / 127,122.66-190,745.96-52,265.30

Finding the Fourth Proportional to 127,122.66, 190,745.96 and 52,265.30

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Solution

The fourth proportional to 127,122.66, 190,745.96 and 52,265.30 is: 78,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,122.66 : 190,745.96 = 52,265.30 : x
  2. Step 2: Convert to fraction form
    127,122.66/190,745.96 = 52,265.30/x
  3. Step 3: Cross multiply
    127,122.66x = 190,745.96 × 52,265.30
  4. Step 4: Simplify right side
    127,122.66x = 9,969,393,608.13
  5. Step 5: Solve for x
    x = 9,969,393,608.13/127,122.66
  6. Step 6: Final answer
    x = 78,423.42

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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.