Home / 168,068.28-231,933.12-92,616.84

Finding the Fourth Proportional to 168,068.28, 231,933.12 and 92,616.84

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Solution

The fourth proportional to 168,068.28, 231,933.12 and 92,616.84 is: 127,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,068.28 : 231,933.12 = 92,616.84 : x
  2. Step 2: Convert to fraction form
    168,068.28/231,933.12 = 92,616.84/x
  3. Step 3: Cross multiply
    168,068.28x = 231,933.12 × 92,616.84
  4. Step 4: Simplify right side
    168,068.28x = 21,480,912,665.74
  5. Step 5: Solve for x
    x = 21,480,912,665.74/168,068.28
  6. Step 6: Final answer
    x = 127,810.63

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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.