Home / 127,122.67-190,745.96-52,265.30

Finding the Fourth Proportional to 127,122.67, 190,745.96 and 52,265.30

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Solution

The fourth proportional to 127,122.67, 190,745.96 and 52,265.30 is: 78,423.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,122.67 : 190,745.96 = 52,265.30 : x
  2. Step 2: Convert to fraction form
    127,122.67/190,745.96 = 52,265.30/x
  3. Step 3: Cross multiply
    127,122.67x = 190,745.96 × 52,265.30
  4. Step 4: Simplify right side
    127,122.67x = 9,969,395,430.72
  5. Step 5: Solve for x
    x = 9,969,395,430.72/127,122.67
  6. Step 6: Final answer
    x = 78,423.43

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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.