Home / 146,428.48-219,642.72-35,619.52

Finding the Fourth Proportional to 146,428.48, 219,642.72 and 35,619.52

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Solution

The fourth proportional to 146,428.48, 219,642.72 and 35,619.52 is: 53,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,428.48 : 219,642.72 = 35,619.52 : x
  2. Step 2: Convert to fraction form
    146,428.48/219,642.72 = 35,619.52/x
  3. Step 3: Cross multiply
    146,428.48x = 219,642.72 × 35,619.52
  4. Step 4: Simplify right side
    146,428.48x = 7,823,568,257.89
  5. Step 5: Solve for x
    x = 7,823,568,257.89/146,428.48
  6. Step 6: Final answer
    x = 53,429.28

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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.