Home / 313,629.14-432,712.86-177,641.48

Finding the Fourth Proportional to 313,629.14, 432,712.86 and 177,641.48

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Solution

The fourth proportional to 313,629.14, 432,712.86 and 177,641.48 is: 245,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,629.14 : 432,712.86 = 177,641.48 : x
  2. Step 2: Convert to fraction form
    313,629.14/432,712.86 = 177,641.48/x
  3. Step 3: Cross multiply
    313,629.14x = 432,712.86 × 177,641.48
  4. Step 4: Simplify right side
    313,629.14x = 76,867,752,865.43
  5. Step 5: Solve for x
    x = 76,867,752,865.43/313,629.14
  6. Step 6: Final answer
    x = 245,091.23

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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.