Home / 204,478.41-306,780.21-104,709.24

Finding the Fourth Proportional to 204,478.41, 306,780.21 and 104,709.24

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Solution

The fourth proportional to 204,478.41, 306,780.21 and 104,709.24 is: 157,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,478.41 : 306,780.21 = 104,709.24 : x
  2. Step 2: Convert to fraction form
    204,478.41/306,780.21 = 104,709.24/x
  3. Step 3: Cross multiply
    204,478.41x = 306,780.21 × 104,709.24
  4. Step 4: Simplify right side
    204,478.41x = 32,122,721,607.42
  5. Step 5: Solve for x
    x = 32,122,721,607.42/204,478.41
  6. Step 6: Final answer
    x = 157,095.91

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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.