Home / 185,121.32-277,793.13-79,940.30

Finding the Fourth Proportional to 185,121.32, 277,793.13 and 79,940.30

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Solution

The fourth proportional to 185,121.32, 277,793.13 and 79,940.30 is: 119,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,121.32 : 277,793.13 = 79,940.30 : x
  2. Step 2: Convert to fraction form
    185,121.32/277,793.13 = 79,940.30/x
  3. Step 3: Cross multiply
    185,121.32x = 277,793.13 × 79,940.30
  4. Step 4: Simplify right side
    185,121.32x = 22,206,866,150.14
  5. Step 5: Solve for x
    x = 22,206,866,150.14/185,121.32
  6. Step 6: Final answer
    x = 119,958.45

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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.