Home / 187,684.72-281,576.76-54,577.60

Finding the Fourth Proportional to 187,684.72, 281,576.76 and 54,577.60

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Solution

The fourth proportional to 187,684.72, 281,576.76 and 54,577.60 is: 81,880.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,684.72 : 281,576.76 = 54,577.60 : x
  2. Step 2: Convert to fraction form
    187,684.72/281,576.76 = 54,577.60/x
  3. Step 3: Cross multiply
    187,684.72x = 281,576.76 × 54,577.60
  4. Step 4: Simplify right side
    187,684.72x = 15,367,783,776.58
  5. Step 5: Solve for x
    x = 15,367,783,776.58/187,684.72
  6. Step 6: Final answer
    x = 81,880.85

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1.5x scale

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.