Home / 127,116.44-190,642.46-52,257.26

Finding the Fourth Proportional to 127,116.44, 190,642.46 and 52,257.26

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Solution

The fourth proportional to 127,116.44, 190,642.46 and 52,257.26 is: 78,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116.44 : 190,642.46 = 52,257.26 : x
  2. Step 2: Convert to fraction form
    127,116.44/190,642.46 = 52,257.26/x
  3. Step 3: Cross multiply
    127,116.44x = 190,642.46 × 52,257.26
  4. Step 4: Simplify right side
    127,116.44x = 9,962,452,599.26
  5. Step 5: Solve for x
    x = 9,962,452,599.26/127,116.44
  6. Step 6: Final answer
    x = 78,372.65

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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.