Home / 187,730.80-281,597.18-47,489.56

Finding the Fourth Proportional to 187,730.80, 281,597.18 and 47,489.56

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Solution

The fourth proportional to 187,730.80, 281,597.18 and 47,489.56 is: 71,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,730.80 : 281,597.18 = 47,489.56 : x
  2. Step 2: Convert to fraction form
    187,730.80/281,597.18 = 47,489.56/x
  3. Step 3: Cross multiply
    187,730.80x = 281,597.18 × 47,489.56
  4. Step 4: Simplify right side
    187,730.80x = 13,372,926,175.44
  5. Step 5: Solve for x
    x = 13,372,926,175.44/187,730.80
  6. Step 6: Final answer
    x = 71,234.59

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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.