Home / 127,107.76-190,661.86-52,175.66

Finding the Fourth Proportional to 127,107.76, 190,661.86 and 52,175.66

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Solution

The fourth proportional to 127,107.76, 190,661.86 and 52,175.66 is: 78,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,107.76 : 190,661.86 = 52,175.66 : x
  2. Step 2: Convert to fraction form
    127,107.76/190,661.86 = 52,175.66/x
  3. Step 3: Cross multiply
    127,107.76x = 190,661.86 × 52,175.66
  4. Step 4: Simplify right side
    127,107.76x = 9,947,908,382.33
  5. Step 5: Solve for x
    x = 9,947,908,382.33/127,107.76
  6. Step 6: Final answer
    x = 78,263.58

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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.