Home / 187,426.20-281,153.88-54,308.37

Finding the Fourth Proportional to 187,426.20, 281,153.88 and 54,308.37

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Solution

The fourth proportional to 187,426.20, 281,153.88 and 54,308.37 is: 81,466.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,426.20 : 281,153.88 = 54,308.37 : x
  2. Step 2: Convert to fraction form
    187,426.20/281,153.88 = 54,308.37/x
  3. Step 3: Cross multiply
    187,426.20x = 281,153.88 × 54,308.37
  4. Step 4: Simplify right side
    187,426.20x = 15,269,008,941.98
  5. Step 5: Solve for x
    x = 15,269,008,941.98/187,426.20
  6. Step 6: Final answer
    x = 81,466.78

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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.