Home / 127,239.72-190,869.59-33,745.47

Finding the Fourth Proportional to 127,239.72, 190,869.59 and 33,745.47

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Solution

The fourth proportional to 127,239.72, 190,869.59 and 33,745.47 is: 50,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,239.72 : 190,869.59 = 33,745.47 : x
  2. Step 2: Convert to fraction form
    127,239.72/190,869.59 = 33,745.47/x
  3. Step 3: Cross multiply
    127,239.72x = 190,869.59 × 33,745.47
  4. Step 4: Simplify right side
    127,239.72x = 6,440,984,023.26
  5. Step 5: Solve for x
    x = 6,440,984,023.26/127,239.72
  6. Step 6: Final answer
    x = 50,620.86

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1.5x scale

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.