Home / 204,500.57-306,813.37-104,731.35

Finding the Fourth Proportional to 204,500.57, 306,813.37 and 104,731.35

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Solution

The fourth proportional to 204,500.57, 306,813.37 and 104,731.35 is: 157,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,500.57 : 306,813.37 = 104,731.35 : x
  2. Step 2: Convert to fraction form
    204,500.57/306,813.37 = 104,731.35/x
  3. Step 3: Cross multiply
    204,500.57x = 306,813.37 × 104,731.35
  4. Step 4: Simplify right side
    204,500.57x = 32,132,977,222.14
  5. Step 5: Solve for x
    x = 32,132,977,222.14/204,500.57
  6. Step 6: Final answer
    x = 157,129.04

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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.