Home / 328,572.36-453,429.54-177,669

Finding the Fourth Proportional to 328,572.36, 453,429.54 and 177,669

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Solution

The fourth proportional to 328,572.36, 453,429.54 and 177,669 is: 245,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,572.36 : 453,429.54 = 177,669 : x
  2. Step 2: Convert to fraction form
    328,572.36/453,429.54 = 177,669/x
  3. Step 3: Cross multiply
    328,572.36x = 453,429.54 × 177,669
  4. Step 4: Simplify right side
    328,572.36x = 80,560,372,942.26
  5. Step 5: Solve for x
    x = 80,560,372,942.26/328,572.36
  6. Step 6: Final answer
    x = 245,183.05

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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.