Home / 126,967.80-190,390.14-38,204.76

Finding the Fourth Proportional to 126,967.80, 190,390.14 and 38,204.76

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Solution

The fourth proportional to 126,967.80, 190,390.14 and 38,204.76 is: 57,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,967.80 : 190,390.14 = 38,204.76 : x
  2. Step 2: Convert to fraction form
    126,967.80/190,390.14 = 38,204.76/x
  3. Step 3: Cross multiply
    126,967.80x = 190,390.14 × 38,204.76
  4. Step 4: Simplify right side
    126,967.80x = 7,273,809,605.07
  5. Step 5: Solve for x
    x = 7,273,809,605.07/126,967.80
  6. Step 6: Final answer
    x = 57,288.62

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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.