Home / 375,723.34-518,498.22-205,953.82

Finding the Fourth Proportional to 375,723.34, 518,498.22 and 205,953.82

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Solution

The fourth proportional to 375,723.34, 518,498.22 and 205,953.82 is: 284,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,723.34 : 518,498.22 = 205,953.82 : x
  2. Step 2: Convert to fraction form
    375,723.34/518,498.22 = 205,953.82/x
  3. Step 3: Cross multiply
    375,723.34x = 518,498.22 × 205,953.82
  4. Step 4: Simplify right side
    375,723.34x = 106,786,689,072.20
  5. Step 5: Solve for x
    x = 106,786,689,072.20/375,723.34
  6. Step 6: Final answer
    x = 284,216.28

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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.