Home / 325,578.90-449,322.66-196,549.11

Finding the Fourth Proportional to 325,578.90, 449,322.66 and 196,549.11

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Solution

The fourth proportional to 325,578.90, 449,322.66 and 196,549.11 is: 271,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,578.90 : 449,322.66 = 196,549.11 : x
  2. Step 2: Convert to fraction form
    325,578.90/449,322.66 = 196,549.11/x
  3. Step 3: Cross multiply
    325,578.90x = 449,322.66 × 196,549.11
  4. Step 4: Simplify right side
    325,578.90x = 88,313,968,925.83
  5. Step 5: Solve for x
    x = 88,313,968,925.83/325,578.90
  6. Step 6: Final answer
    x = 271,252.13

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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.