Home / 331,863.36-457,971.75-180,960.36

Finding the Fourth Proportional to 331,863.36, 457,971.75 and 180,960.36

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Solution

The fourth proportional to 331,863.36, 457,971.75 and 180,960.36 is: 249,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,863.36 : 457,971.75 = 180,960.36 : x
  2. Step 2: Convert to fraction form
    331,863.36/457,971.75 = 180,960.36/x
  3. Step 3: Cross multiply
    331,863.36x = 457,971.75 × 180,960.36
  4. Step 4: Simplify right side
    331,863.36x = 82,874,732,749.83
  5. Step 5: Solve for x
    x = 82,874,732,749.83/331,863.36
  6. Step 6: Final answer
    x = 249,725.47

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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.