Home / 190,791.25-263,328.57-126,261.79

Finding the Fourth Proportional to 190,791.25, 263,328.57 and 126,261.79

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Solution

The fourth proportional to 190,791.25, 263,328.57 and 126,261.79 is: 174,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,791.25 : 263,328.57 = 126,261.79 : x
  2. Step 2: Convert to fraction form
    190,791.25/263,328.57 = 126,261.79/x
  3. Step 3: Cross multiply
    190,791.25x = 263,328.57 × 126,261.79
  4. Step 4: Simplify right side
    190,791.25x = 33,248,335,948.02
  5. Step 5: Solve for x
    x = 33,248,335,948.02/190,791.25
  6. Step 6: Final answer
    x = 174,265.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.