Home / 187,086.60-281,321.10-156,673.80

Finding the Fourth Proportional to 187,086.60, 281,321.10 and 156,673.80

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Solution

The fourth proportional to 187,086.60, 281,321.10 and 156,673.80 is: 235,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,086.60 : 281,321.10 = 156,673.80 : x
  2. Step 2: Convert to fraction form
    187,086.60/281,321.10 = 156,673.80/x
  3. Step 3: Cross multiply
    187,086.60x = 281,321.10 × 156,673.80
  4. Step 4: Simplify right side
    187,086.60x = 44,075,645,757.18
  5. Step 5: Solve for x
    x = 44,075,645,757.18/187,086.60
  6. Step 6: Final answer
    x = 235,589.54

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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.