Home / 185,424.20-278,136.30-183,455.90

Finding the Fourth Proportional to 185,424.20, 278,136.30 and 183,455.90

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Solution

The fourth proportional to 185,424.20, 278,136.30 and 183,455.90 is: 275,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,424.20 : 278,136.30 = 183,455.90 : x
  2. Step 2: Convert to fraction form
    185,424.20/278,136.30 = 183,455.90/x
  3. Step 3: Cross multiply
    185,424.20x = 278,136.30 × 183,455.90
  4. Step 4: Simplify right side
    185,424.20x = 51,025,745,239.17
  5. Step 5: Solve for x
    x = 51,025,745,239.17/185,424.20
  6. Step 6: Final answer
    x = 275,183.85

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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.