Home / 136,610.41-188,523.19-76,184.88

Finding the Fourth Proportional to 136,610.41, 188,523.19 and 76,184.88

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Solution

The fourth proportional to 136,610.41, 188,523.19 and 76,184.88 is: 105,135.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,610.41 : 188,523.19 = 76,184.88 : x
  2. Step 2: Convert to fraction form
    136,610.41/188,523.19 = 76,184.88/x
  3. Step 3: Cross multiply
    136,610.41x = 188,523.19 × 76,184.88
  4. Step 4: Simplify right side
    136,610.41x = 14,362,616,607.37
  5. Step 5: Solve for x
    x = 14,362,616,607.37/136,610.41
  6. Step 6: Final answer
    x = 105,135.59

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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.