Home / 127,249.59-190,867.37-52,350.78

Finding the Fourth Proportional to 127,249.59, 190,867.37 and 52,350.78

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Solution

The fourth proportional to 127,249.59, 190,867.37 and 52,350.78 is: 78,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,249.59 : 190,867.37 = 52,350.78 : x
  2. Step 2: Convert to fraction form
    127,249.59/190,867.37 = 52,350.78/x
  3. Step 3: Cross multiply
    127,249.59x = 190,867.37 × 52,350.78
  4. Step 4: Simplify right side
    127,249.59x = 9,992,055,434.29
  5. Step 5: Solve for x
    x = 9,992,055,434.29/127,249.59
  6. Step 6: Final answer
    x = 78,523.28

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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.