Home / 187,597.20-281,410.44-54,479.64

Finding the Fourth Proportional to 187,597.20, 281,410.44 and 54,479.64

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Solution

The fourth proportional to 187,597.20, 281,410.44 and 54,479.64 is: 81,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,597.20 : 281,410.44 = 54,479.64 : x
  2. Step 2: Convert to fraction form
    187,597.20/281,410.44 = 54,479.64/x
  3. Step 3: Cross multiply
    187,597.20x = 281,410.44 × 54,479.64
  4. Step 4: Simplify right side
    187,597.20x = 15,331,139,463.44
  5. Step 5: Solve for x
    x = 15,331,139,463.44/187,597.20
  6. Step 6: Final answer
    x = 81,723.71

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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.