Home / 127,115.44-190,640.97-52,256.26

Finding the Fourth Proportional to 127,115.44, 190,640.97 and 52,256.26

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Solution

The fourth proportional to 127,115.44, 190,640.97 and 52,256.26 is: 78,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,115.44 : 190,640.97 = 52,256.26 : x
  2. Step 2: Convert to fraction form
    127,115.44/190,640.97 = 52,256.26/x
  3. Step 3: Cross multiply
    127,115.44x = 190,640.97 × 52,256.26
  4. Step 4: Simplify right side
    127,115.44x = 9,962,184,094.97
  5. Step 5: Solve for x
    x = 9,962,184,094.97/127,115.44
  6. Step 6: Final answer
    x = 78,371.16

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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.