Home / 126,918.60-190,314.50-41,518.31

Finding the Fourth Proportional to 126,918.60, 190,314.50 and 41,518.31

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Solution

The fourth proportional to 126,918.60, 190,314.50 and 41,518.31 is: 62,256.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,918.60 : 190,314.50 = 41,518.31 : x
  2. Step 2: Convert to fraction form
    126,918.60/190,314.50 = 41,518.31/x
  3. Step 3: Cross multiply
    126,918.60x = 190,314.50 × 41,518.31
  4. Step 4: Simplify right side
    126,918.60x = 7,901,536,227.38
  5. Step 5: Solve for x
    x = 7,901,536,227.38/126,918.60
  6. Step 6: Final answer
    x = 62,256.73

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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.