Home / 187,791.72-281,498.04-117,720.24

Finding the Fourth Proportional to 187,791.72, 281,498.04 and 117,720.24

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Solution

The fourth proportional to 187,791.72, 281,498.04 and 117,720.24 is: 176,461.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,791.72 : 281,498.04 = 117,720.24 : x
  2. Step 2: Convert to fraction form
    187,791.72/281,498.04 = 117,720.24/x
  3. Step 3: Cross multiply
    187,791.72x = 281,498.04 × 117,720.24
  4. Step 4: Simplify right side
    187,791.72x = 33,138,016,828.33
  5. Step 5: Solve for x
    x = 33,138,016,828.33/187,791.72
  6. Step 6: Final answer
    x = 176,461.54

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1.5x scale

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.