Home / 185,579.28-278,396.33-67,223.03

Finding the Fourth Proportional to 185,579.28, 278,396.33 and 67,223.03

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Solution

The fourth proportional to 185,579.28, 278,396.33 and 67,223.03 is: 100,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,579.28 : 278,396.33 = 67,223.03 : x
  2. Step 2: Convert to fraction form
    185,579.28/278,396.33 = 67,223.03/x
  3. Step 3: Cross multiply
    185,579.28x = 278,396.33 × 67,223.03
  4. Step 4: Simplify right side
    185,579.28x = 18,714,643,115.38
  5. Step 5: Solve for x
    x = 18,714,643,115.38/185,579.28
  6. Step 6: Final answer
    x = 100,844.46

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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.