Home / 327,712.92-491,569.16-91,055.49

Finding the Fourth Proportional to 327,712.92, 491,569.16 and 91,055.49

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Solution

The fourth proportional to 327,712.92, 491,569.16 and 91,055.49 is: 136,583.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,712.92 : 491,569.16 = 91,055.49 : x
  2. Step 2: Convert to fraction form
    327,712.92/491,569.16 = 91,055.49/x
  3. Step 3: Cross multiply
    327,712.92x = 491,569.16 × 91,055.49
  4. Step 4: Simplify right side
    327,712.92x = 44,760,070,277.41
  5. Step 5: Solve for x
    x = 44,760,070,277.41/327,712.92
  6. Step 6: Final answer
    x = 136,583.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.