Home / 126,935.96-190,491.42-43,829.96

Finding the Fourth Proportional to 126,935.96, 190,491.42 and 43,829.96

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Solution

The fourth proportional to 126,935.96, 190,491.42 and 43,829.96 is: 65,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,935.96 : 190,491.42 = 43,829.96 : x
  2. Step 2: Convert to fraction form
    126,935.96/190,491.42 = 43,829.96/x
  3. Step 3: Cross multiply
    126,935.96x = 190,491.42 × 43,829.96
  4. Step 4: Simplify right side
    126,935.96x = 8,349,231,318.94
  5. Step 5: Solve for x
    x = 8,349,231,318.94/126,935.96
  6. Step 6: Final answer
    x = 65,775.15

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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.