Home / 187,450.20-281,199.60-92,728.80

Finding the Fourth Proportional to 187,450.20, 281,199.60 and 92,728.80

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Solution

The fourth proportional to 187,450.20, 281,199.60 and 92,728.80 is: 139,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,450.20 : 281,199.60 = 92,728.80 : x
  2. Step 2: Convert to fraction form
    187,450.20/281,199.60 = 92,728.80/x
  3. Step 3: Cross multiply
    187,450.20x = 281,199.60 × 92,728.80
  4. Step 4: Simplify right side
    187,450.20x = 26,075,301,468.48
  5. Step 5: Solve for x
    x = 26,075,301,468.48/187,450.20
  6. Step 6: Final answer
    x = 139,105.22

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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.