Home / 185,205.26-277,617.20-72,839.92

Finding the Fourth Proportional to 185,205.26, 277,617.20 and 72,839.92

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Solution

The fourth proportional to 185,205.26, 277,617.20 and 72,839.92 is: 109,184.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,205.26 : 277,617.20 = 72,839.92 : x
  2. Step 2: Convert to fraction form
    185,205.26/277,617.20 = 72,839.92/x
  3. Step 3: Cross multiply
    185,205.26x = 277,617.20 × 72,839.92
  4. Step 4: Simplify right side
    185,205.26x = 20,221,614,638.62
  5. Step 5: Solve for x
    x = 20,221,614,638.62/185,205.26
  6. Step 6: Final answer
    x = 109,184.88

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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.