Home / 204,478.59-306,780.49-104,709.43

Finding the Fourth Proportional to 204,478.59, 306,780.49 and 104,709.43

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Solution

The fourth proportional to 204,478.59, 306,780.49 and 104,709.43 is: 157,096.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,478.59 : 306,780.49 = 104,709.43 : x
  2. Step 2: Convert to fraction form
    204,478.59/306,780.49 = 104,709.43/x
  3. Step 3: Cross multiply
    204,478.59x = 306,780.49 × 104,709.43
  4. Step 4: Simplify right side
    204,478.59x = 32,122,808,447.34
  5. Step 5: Solve for x
    x = 32,122,808,447.34/204,478.59
  6. Step 6: Final answer
    x = 157,096.19

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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.