Home / 187,322.63-281,025.72-54,213.03

Finding the Fourth Proportional to 187,322.63, 281,025.72 and 54,213.03

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Solution

The fourth proportional to 187,322.63, 281,025.72 and 54,213.03 is: 81,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,322.63 : 281,025.72 = 54,213.03 : x
  2. Step 2: Convert to fraction form
    187,322.63/281,025.72 = 54,213.03/x
  3. Step 3: Cross multiply
    187,322.63x = 281,025.72 × 54,213.03
  4. Step 4: Simplify right side
    187,322.63x = 15,235,255,789.13
  5. Step 5: Solve for x
    x = 15,235,255,789.13/187,322.63
  6. Step 6: Final answer
    x = 81,331.64

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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.