Home / 187,563.18-281,343.54-47,321.94

Finding the Fourth Proportional to 187,563.18, 281,343.54 and 47,321.94

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Solution

The fourth proportional to 187,563.18, 281,343.54 and 47,321.94 is: 70,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,563.18 : 281,343.54 = 47,321.94 : x
  2. Step 2: Convert to fraction form
    187,563.18/281,343.54 = 47,321.94/x
  3. Step 3: Cross multiply
    187,563.18x = 281,343.54 × 47,321.94
  4. Step 4: Simplify right side
    187,563.18x = 13,313,722,119.27
  5. Step 5: Solve for x
    x = 13,313,722,119.27/187,563.18
  6. Step 6: Final answer
    x = 70,982.60

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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.