Home / 185,156.56-277,735.20-66,911.38

Finding the Fourth Proportional to 185,156.56, 277,735.20 and 66,911.38

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Solution

The fourth proportional to 185,156.56, 277,735.20 and 66,911.38 is: 100,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,156.56 : 277,735.20 = 66,911.38 : x
  2. Step 2: Convert to fraction form
    185,156.56/277,735.20 = 66,911.38/x
  3. Step 3: Cross multiply
    185,156.56x = 277,735.20 × 66,911.38
  4. Step 4: Simplify right side
    185,156.56x = 18,583,645,506.58
  5. Step 5: Solve for x
    x = 18,583,645,506.58/185,156.56
  6. Step 6: Final answer
    x = 100,367.20

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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.