Home / 117,537.31-176,304.75-28,791.28

Finding the Fourth Proportional to 117,537.31, 176,304.75 and 28,791.28

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Solution

The fourth proportional to 117,537.31, 176,304.75 and 28,791.28 is: 43,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,537.31 : 176,304.75 = 28,791.28 : x
  2. Step 2: Convert to fraction form
    117,537.31/176,304.75 = 28,791.28/x
  3. Step 3: Cross multiply
    117,537.31x = 176,304.75 × 28,791.28
  4. Step 4: Simplify right side
    117,537.31x = 5,076,039,422.58
  5. Step 5: Solve for x
    x = 5,076,039,422.58/117,537.31
  6. Step 6: Final answer
    x = 43,186.62

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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.