Home / 187,865.60-281,809.20-54,766.40

Finding the Fourth Proportional to 187,865.60, 281,809.20 and 54,766.40

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Solution

The fourth proportional to 187,865.60, 281,809.20 and 54,766.40 is: 82,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,865.60 : 281,809.20 = 54,766.40 : x
  2. Step 2: Convert to fraction form
    187,865.60/281,809.20 = 54,766.40/x
  3. Step 3: Cross multiply
    187,865.60x = 281,809.20 × 54,766.40
  4. Step 4: Simplify right side
    187,865.60x = 15,433,675,370.88
  5. Step 5: Solve for x
    x = 15,433,675,370.88/187,865.60
  6. Step 6: Final answer
    x = 82,152.75

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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.