Home / 146,231.51-219,359.57-51,451.71

Finding the Fourth Proportional to 146,231.51, 219,359.57 and 51,451.71

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Solution

The fourth proportional to 146,231.51, 219,359.57 and 51,451.71 is: 77,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,231.51 : 219,359.57 = 51,451.71 : x
  2. Step 2: Convert to fraction form
    146,231.51/219,359.57 = 51,451.71/x
  3. Step 3: Cross multiply
    146,231.51x = 219,359.57 × 51,451.71
  4. Step 4: Simplify right side
    146,231.51x = 11,286,424,724.11
  5. Step 5: Solve for x
    x = 11,286,424,724.11/146,231.51
  6. Step 6: Final answer
    x = 77,181.90

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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.