Home / 168,829.28-233,056.14-105,198.52

Finding the Fourth Proportional to 168,829.28, 233,056.14 and 105,198.52

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Solution

The fourth proportional to 168,829.28, 233,056.14 and 105,198.52 is: 145,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,829.28 : 233,056.14 = 105,198.52 : x
  2. Step 2: Convert to fraction form
    168,829.28/233,056.14 = 105,198.52/x
  3. Step 3: Cross multiply
    168,829.28x = 233,056.14 × 105,198.52
  4. Step 4: Simplify right side
    168,829.28x = 24,517,161,004.91
  5. Step 5: Solve for x
    x = 24,517,161,004.91/168,829.28
  6. Step 6: Final answer
    x = 145,218.66

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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.