Home / 127,067.26-190,552.24-42,804.78

Finding the Fourth Proportional to 127,067.26, 190,552.24 and 42,804.78

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Solution

The fourth proportional to 127,067.26, 190,552.24 and 42,804.78 is: 64,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,067.26 : 190,552.24 = 42,804.78 : x
  2. Step 2: Convert to fraction form
    127,067.26/190,552.24 = 42,804.78/x
  3. Step 3: Cross multiply
    127,067.26x = 190,552.24 × 42,804.78
  4. Step 4: Simplify right side
    127,067.26x = 8,156,546,711.71
  5. Step 5: Solve for x
    x = 8,156,546,711.71/127,067.26
  6. Step 6: Final answer
    x = 64,190.78

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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.