Home / 375,931.92-518,786.73-206,167.26

Finding the Fourth Proportional to 375,931.92, 518,786.73 and 206,167.26

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Solution

The fourth proportional to 375,931.92, 518,786.73 and 206,167.26 is: 284,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,931.92 : 518,786.73 = 206,167.26 : x
  2. Step 2: Convert to fraction form
    375,931.92/518,786.73 = 206,167.26/x
  3. Step 3: Cross multiply
    375,931.92x = 518,786.73 × 206,167.26
  4. Step 4: Simplify right side
    375,931.92x = 106,956,838,648.46
  5. Step 5: Solve for x
    x = 106,956,838,648.46/375,931.92
  6. Step 6: Final answer
    x = 284,511.19

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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.