Home / 272,979.92-409,914.36-168,463.28

Finding the Fourth Proportional to 272,979.92, 409,914.36 and 168,463.28

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Solution

The fourth proportional to 272,979.92, 409,914.36 and 168,463.28 is: 252,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,979.92 : 409,914.36 = 168,463.28 : x
  2. Step 2: Convert to fraction form
    272,979.92/409,914.36 = 168,463.28/x
  3. Step 3: Cross multiply
    272,979.92x = 409,914.36 × 168,463.28
  4. Step 4: Simplify right side
    272,979.92x = 69,055,517,604.70
  5. Step 5: Solve for x
    x = 69,055,517,604.70/272,979.92
  6. Step 6: Final answer
    x = 252,969.22

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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.