Home / 281,576.38-422,320.50-92,035.30

Finding the Fourth Proportional to 281,576.38, 422,320.50 and 92,035.30

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Solution

The fourth proportional to 281,576.38, 422,320.50 and 92,035.30 is: 138,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,576.38 : 422,320.50 = 92,035.30 : x
  2. Step 2: Convert to fraction form
    281,576.38/422,320.50 = 92,035.30/x
  3. Step 3: Cross multiply
    281,576.38x = 422,320.50 × 92,035.30
  4. Step 4: Simplify right side
    281,576.38x = 38,868,393,913.65
  5. Step 5: Solve for x
    x = 38,868,393,913.65/281,576.38
  6. Step 6: Final answer
    x = 138,038.55

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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.