Home / 234,112.56-351,184.73-82,291.20

Finding the Fourth Proportional to 234,112.56, 351,184.73 and 82,291.20

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Solution

The fourth proportional to 234,112.56, 351,184.73 and 82,291.20 is: 123,442.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,112.56 : 351,184.73 = 82,291.20 : x
  2. Step 2: Convert to fraction form
    234,112.56/351,184.73 = 82,291.20/x
  3. Step 3: Cross multiply
    234,112.56x = 351,184.73 × 82,291.20
  4. Step 4: Simplify right side
    234,112.56x = 28,899,412,441.92
  5. Step 5: Solve for x
    x = 28,899,412,441.92/234,112.56
  6. Step 6: Final answer
    x = 123,442.38

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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.