Home / 126,954.28-190,458.06-38,214.28

Finding the Fourth Proportional to 126,954.28, 190,458.06 and 38,214.28

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Solution

The fourth proportional to 126,954.28, 190,458.06 and 38,214.28 is: 57,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,954.28 : 190,458.06 = 38,214.28 : x
  2. Step 2: Convert to fraction form
    126,954.28/190,458.06 = 38,214.28/x
  3. Step 3: Cross multiply
    126,954.28x = 190,458.06 × 38,214.28
  4. Step 4: Simplify right side
    126,954.28x = 7,278,217,633.10
  5. Step 5: Solve for x
    x = 7,278,217,633.10/126,954.28
  6. Step 6: Final answer
    x = 57,329.44

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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.