Home / 375,645.16-518,366.82-205,867.24

Finding the Fourth Proportional to 375,645.16, 518,366.82 and 205,867.24

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Solution

The fourth proportional to 375,645.16, 518,366.82 and 205,867.24 is: 284,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,645.16 : 518,366.82 = 205,867.24 : x
  2. Step 2: Convert to fraction form
    375,645.16/518,366.82 = 205,867.24/x
  3. Step 3: Cross multiply
    375,645.16x = 518,366.82 × 205,867.24
  4. Step 4: Simplify right side
    375,645.16x = 106,714,746,540.98
  5. Step 5: Solve for x
    x = 106,714,746,540.98/375,645.16
  6. Step 6: Final answer
    x = 284,083.91

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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.