Home / 187,828.40-259,229.77-116,231.49

Finding the Fourth Proportional to 187,828.40, 259,229.77 and 116,231.49

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Solution

The fourth proportional to 187,828.40, 259,229.77 and 116,231.49 is: 160,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,828.40 : 259,229.77 = 116,231.49 : x
  2. Step 2: Convert to fraction form
    187,828.40/259,229.77 = 116,231.49/x
  3. Step 3: Cross multiply
    187,828.40x = 259,229.77 × 116,231.49
  4. Step 4: Simplify right side
    187,828.40x = 30,130,662,128.88
  5. Step 5: Solve for x
    x = 30,130,662,128.88/187,828.40
  6. Step 6: Final answer
    x = 160,415.90

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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.