Home / 234,789.32-351,872.44-127,899.06

Finding the Fourth Proportional to 234,789.32, 351,872.44 and 127,899.06

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Solution

The fourth proportional to 234,789.32, 351,872.44 and 127,899.06 is: 191,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,789.32 : 351,872.44 = 127,899.06 : x
  2. Step 2: Convert to fraction form
    234,789.32/351,872.44 = 127,899.06/x
  3. Step 3: Cross multiply
    234,789.32x = 351,872.44 × 127,899.06
  4. Step 4: Simplify right side
    234,789.32x = 45,004,154,315.91
  5. Step 5: Solve for x
    x = 45,004,154,315.91/234,789.32
  6. Step 6: Final answer
    x = 191,678.88

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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.