Home / 187,556.40-281,290.44-54,401.52

Finding the Fourth Proportional to 187,556.40, 281,290.44 and 54,401.52

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Solution

The fourth proportional to 187,556.40, 281,290.44 and 54,401.52 is: 81,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,556.40 : 281,290.44 = 54,401.52 : x
  2. Step 2: Convert to fraction form
    187,556.40/281,290.44 = 54,401.52/x
  3. Step 3: Cross multiply
    187,556.40x = 281,290.44 × 54,401.52
  4. Step 4: Simplify right side
    187,556.40x = 15,302,627,497.47
  5. Step 5: Solve for x
    x = 15,302,627,497.47/187,556.40
  6. Step 6: Final answer
    x = 81,589.47

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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.