Home / 188,081.46-259,624.68-127,679.10

Finding the Fourth Proportional to 188,081.46, 259,624.68 and 127,679.10

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Solution

The fourth proportional to 188,081.46, 259,624.68 and 127,679.10 is: 176,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,081.46 : 259,624.68 = 127,679.10 : x
  2. Step 2: Convert to fraction form
    188,081.46/259,624.68 = 127,679.10/x
  3. Step 3: Cross multiply
    188,081.46x = 259,624.68 × 127,679.10
  4. Step 4: Simplify right side
    188,081.46x = 33,148,645,480.19
  5. Step 5: Solve for x
    x = 33,148,645,480.19/188,081.46
  6. Step 6: Final answer
    x = 176,246.22

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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.