Home / 204,061.48-306,091.80-54,301.75

Finding the Fourth Proportional to 204,061.48, 306,091.80 and 54,301.75

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Solution

The fourth proportional to 204,061.48, 306,091.80 and 54,301.75 is: 81,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,061.48 : 306,091.80 = 54,301.75 : x
  2. Step 2: Convert to fraction form
    204,061.48/306,091.80 = 54,301.75/x
  3. Step 3: Cross multiply
    204,061.48x = 306,091.80 × 54,301.75
  4. Step 4: Simplify right side
    204,061.48x = 16,621,320,400.65
  5. Step 5: Solve for x
    x = 16,621,320,400.65/204,061.48
  6. Step 6: Final answer
    x = 81,452.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.