Home / 204,355.36-306,529.50-91,956.04

Finding the Fourth Proportional to 204,355.36, 306,529.50 and 91,956.04

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Solution

The fourth proportional to 204,355.36, 306,529.50 and 91,956.04 is: 137,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,355.36 : 306,529.50 = 91,956.04 : x
  2. Step 2: Convert to fraction form
    204,355.36/306,529.50 = 91,956.04/x
  3. Step 3: Cross multiply
    204,355.36x = 306,529.50 × 91,956.04
  4. Step 4: Simplify right side
    204,355.36x = 28,187,238,963.18
  5. Step 5: Solve for x
    x = 28,187,238,963.18/204,355.36
  6. Step 6: Final answer
    x = 137,932.47

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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.