Home / 204,366.40-306,559.20-64,129.60

Finding the Fourth Proportional to 204,366.40, 306,559.20 and 64,129.60

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Solution

The fourth proportional to 204,366.40, 306,559.20 and 64,129.60 is: 96,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,366.40 : 306,559.20 = 64,129.60 : x
  2. Step 2: Convert to fraction form
    204,366.40/306,559.20 = 64,129.60/x
  3. Step 3: Cross multiply
    204,366.40x = 306,559.20 × 64,129.60
  4. Step 4: Simplify right side
    204,366.40x = 19,659,518,872.32
  5. Step 5: Solve for x
    x = 19,659,518,872.32/204,366.40
  6. Step 6: Final answer
    x = 96,197.41

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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.