Home / 204,150.06-306,287.28-104,380.29

Finding the Fourth Proportional to 204,150.06, 306,287.28 and 104,380.29

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Solution

The fourth proportional to 204,150.06, 306,287.28 and 104,380.29 is: 156,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,150.06 : 306,287.28 = 104,380.29 : x
  2. Step 2: Convert to fraction form
    204,150.06/306,287.28 = 104,380.29/x
  3. Step 3: Cross multiply
    204,150.06x = 306,287.28 × 104,380.29
  4. Step 4: Simplify right side
    204,150.06x = 31,970,355,109.71
  5. Step 5: Solve for x
    x = 31,970,355,109.71/204,150.06
  6. Step 6: Final answer
    x = 156,602.23

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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.