Home / 127,250.59-190,868.86-52,351.78

Finding the Fourth Proportional to 127,250.59, 190,868.86 and 52,351.78

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Solution

The fourth proportional to 127,250.59, 190,868.86 and 52,351.78 is: 78,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,250.59 : 190,868.86 = 52,351.78 : x
  2. Step 2: Convert to fraction form
    127,250.59/190,868.86 = 52,351.78/x
  3. Step 3: Cross multiply
    127,250.59x = 190,868.86 × 52,351.78
  4. Step 4: Simplify right side
    127,250.59x = 9,992,324,567.57
  5. Step 5: Solve for x
    x = 9,992,324,567.57/127,250.59
  6. Step 6: Final answer
    x = 78,524.78

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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.