Home / 187,839.40-259,244.94-116,242.50

Finding the Fourth Proportional to 187,839.40, 259,244.94 and 116,242.50

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Solution

The fourth proportional to 187,839.40, 259,244.94 and 116,242.50 is: 160,431.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,839.40 : 259,244.94 = 116,242.50 : x
  2. Step 2: Convert to fraction form
    187,839.40/259,244.94 = 116,242.50/x
  3. Step 3: Cross multiply
    187,839.40x = 259,244.94 × 116,242.50
  4. Step 4: Simplify right side
    187,839.40x = 30,135,279,937.95
  5. Step 5: Solve for x
    x = 30,135,279,937.95/187,839.40
  6. Step 6: Final answer
    x = 160,431.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.