Home / 187,401.44-281,102.16-54,281.74

Finding the Fourth Proportional to 187,401.44, 281,102.16 and 54,281.74

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Solution

The fourth proportional to 187,401.44, 281,102.16 and 54,281.74 is: 81,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,401.44 : 281,102.16 = 54,281.74 : x
  2. Step 2: Convert to fraction form
    187,401.44/281,102.16 = 54,281.74/x
  3. Step 3: Cross multiply
    187,401.44x = 281,102.16 × 54,281.74
  4. Step 4: Simplify right side
    187,401.44x = 15,258,714,362.56
  5. Step 5: Solve for x
    x = 15,258,714,362.56/187,401.44
  6. Step 6: Final answer
    x = 81,422.61

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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.