Home / 250,629.27-375,793.77-79,777.17

Finding the Fourth Proportional to 250,629.27, 375,793.77 and 79,777.17

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Solution

The fourth proportional to 250,629.27, 375,793.77 and 79,777.17 is: 119,617.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,629.27 : 375,793.77 = 79,777.17 : x
  2. Step 2: Convert to fraction form
    250,629.27/375,793.77 = 79,777.17/x
  3. Step 3: Cross multiply
    250,629.27x = 375,793.77 × 79,777.17
  4. Step 4: Simplify right side
    250,629.27x = 29,979,763,474.23
  5. Step 5: Solve for x
    x = 29,979,763,474.23/250,629.27
  6. Step 6: Final answer
    x = 119,617.97

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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.