Home / 187,783.43-281,675.14-45,627.97

Finding the Fourth Proportional to 187,783.43, 281,675.14 and 45,627.97

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Solution

The fourth proportional to 187,783.43, 281,675.14 and 45,627.97 is: 68,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,783.43 : 281,675.14 = 45,627.97 : x
  2. Step 2: Convert to fraction form
    187,783.43/281,675.14 = 45,627.97/x
  3. Step 3: Cross multiply
    187,783.43x = 281,675.14 × 45,627.97
  4. Step 4: Simplify right side
    187,783.43x = 12,852,265,860.49
  5. Step 5: Solve for x
    x = 12,852,265,860.49/187,783.43
  6. Step 6: Final answer
    x = 68,441.96

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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.