Home / 168,942.28-233,147.64-93,490.78

Finding the Fourth Proportional to 168,942.28, 233,147.64 and 93,490.78

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Solution

The fourth proportional to 168,942.28, 233,147.64 and 93,490.78 is: 129,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,942.28 : 233,147.64 = 93,490.78 : x
  2. Step 2: Convert to fraction form
    168,942.28/233,147.64 = 93,490.78/x
  3. Step 3: Cross multiply
    168,942.28x = 233,147.64 × 93,490.78
  4. Step 4: Simplify right side
    168,942.28x = 21,797,154,718.76
  5. Step 5: Solve for x
    x = 21,797,154,718.76/168,942.28
  6. Step 6: Final answer
    x = 129,021.31

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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.