Home / 168,921.28-233,108.04-93,469.78

Finding the Fourth Proportional to 168,921.28, 233,108.04 and 93,469.78

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Solution

The fourth proportional to 168,921.28, 233,108.04 and 93,469.78 is: 128,986.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,921.28 : 233,108.04 = 93,469.78 : x
  2. Step 2: Convert to fraction form
    168,921.28/233,108.04 = 93,469.78/x
  3. Step 3: Cross multiply
    168,921.28x = 233,108.04 × 93,469.78
  4. Step 4: Simplify right side
    168,921.28x = 21,788,557,215.03
  5. Step 5: Solve for x
    x = 21,788,557,215.03/168,921.28
  6. Step 6: Final answer
    x = 128,986.46

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1.5x scale

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.