Home / 143,968.88-198,664.59-92,983.83

Finding the Fourth Proportional to 143,968.88, 198,664.59 and 92,983.83

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Solution

The fourth proportional to 143,968.88, 198,664.59 and 92,983.83 is: 128,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,968.88 : 198,664.59 = 92,983.83 : x
  2. Step 2: Convert to fraction form
    143,968.88/198,664.59 = 92,983.83/x
  3. Step 3: Cross multiply
    143,968.88x = 198,664.59 × 92,983.83
  4. Step 4: Simplify right side
    143,968.88x = 18,472,594,463.58
  5. Step 5: Solve for x
    x = 18,472,594,463.58/143,968.88
  6. Step 6: Final answer
    x = 128,309.64

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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.