Home / 375,865.11-518,704.16-214,746.39

Finding the Fourth Proportional to 375,865.11, 518,704.16 and 214,746.39

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Solution

The fourth proportional to 375,865.11, 518,704.16 and 214,746.39 is: 296,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,865.11 : 518,704.16 = 214,746.39 : x
  2. Step 2: Convert to fraction form
    375,865.11/518,704.16 = 214,746.39/x
  3. Step 3: Cross multiply
    375,865.11x = 518,704.16 × 214,746.39
  4. Step 4: Simplify right side
    375,865.11x = 111,389,844,764.25
  5. Step 5: Solve for x
    x = 111,389,844,764.25/375,865.11
  6. Step 6: Final answer
    x = 296,355.90

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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.