Home / 126,965.80-190,461.66-43,849

Finding the Fourth Proportional to 126,965.80, 190,461.66 and 43,849

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Solution

The fourth proportional to 126,965.80, 190,461.66 and 43,849 is: 65,777.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,965.80 : 190,461.66 = 43,849 : x
  2. Step 2: Convert to fraction form
    126,965.80/190,461.66 = 43,849/x
  3. Step 3: Cross multiply
    126,965.80x = 190,461.66 × 43,849
  4. Step 4: Simplify right side
    126,965.80x = 8,351,553,329.34
  5. Step 5: Solve for x
    x = 8,351,553,329.34/126,965.80
  6. Step 6: Final answer
    x = 65,777.98

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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.