Home / 126,685.39-190,057.66-36,729.98

Finding the Fourth Proportional to 126,685.39, 190,057.66 and 36,729.98

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Solution

The fourth proportional to 126,685.39, 190,057.66 and 36,729.98 is: 55,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,685.39 : 190,057.66 = 36,729.98 : x
  2. Step 2: Convert to fraction form
    126,685.39/190,057.66 = 36,729.98/x
  3. Step 3: Cross multiply
    126,685.39x = 190,057.66 × 36,729.98
  4. Step 4: Simplify right side
    126,685.39x = 6,980,814,342.14
  5. Step 5: Solve for x
    x = 6,980,814,342.14/126,685.39
  6. Step 6: Final answer
    x = 55,103.55

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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.