Home / 126,708.37-190,040.66-37,938.04

Finding the Fourth Proportional to 126,708.37, 190,040.66 and 37,938.04

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Solution

The fourth proportional to 126,708.37, 190,040.66 and 37,938.04 is: 56,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,708.37 : 190,040.66 = 37,938.04 : x
  2. Step 2: Convert to fraction form
    126,708.37/190,040.66 = 37,938.04/x
  3. Step 3: Cross multiply
    126,708.37x = 190,040.66 × 37,938.04
  4. Step 4: Simplify right side
    126,708.37x = 7,209,769,851.58
  5. Step 5: Solve for x
    x = 7,209,769,851.58/126,708.37
  6. Step 6: Final answer
    x = 56,900.50

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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.