Home / 204,136.40-306,214.20-63,899.60

Finding the Fourth Proportional to 204,136.40, 306,214.20 and 63,899.60

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Solution

The fourth proportional to 204,136.40, 306,214.20 and 63,899.60 is: 95,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,136.40 : 306,214.20 = 63,899.60 : x
  2. Step 2: Convert to fraction form
    204,136.40/306,214.20 = 63,899.60/x
  3. Step 3: Cross multiply
    204,136.40x = 306,214.20 × 63,899.60
  4. Step 4: Simplify right side
    204,136.40x = 19,566,964,894.32
  5. Step 5: Solve for x
    x = 19,566,964,894.32/204,136.40
  6. Step 6: Final answer
    x = 95,852.41

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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.