Home / 375,934.92-518,817.69-214,786.51

Finding the Fourth Proportional to 375,934.92, 518,817.69 and 214,786.51

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Solution

The fourth proportional to 375,934.92, 518,817.69 and 214,786.51 is: 296,421.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,934.92 : 518,817.69 = 214,786.51 : x
  2. Step 2: Convert to fraction form
    375,934.92/518,817.69 = 214,786.51/x
  3. Step 3: Cross multiply
    375,934.92x = 518,817.69 × 214,786.51
  4. Step 4: Simplify right side
    375,934.92x = 111,435,038,590.39
  5. Step 5: Solve for x
    x = 111,435,038,590.39/375,934.92
  6. Step 6: Final answer
    x = 296,421.09

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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.