Home / 204,902.31-307,353.46-55,142.93

Finding the Fourth Proportional to 204,902.31, 307,353.46 and 55,142.93

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Solution

The fourth proportional to 204,902.31, 307,353.46 and 55,142.93 is: 82,714.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,902.31 : 307,353.46 = 55,142.93 : x
  2. Step 2: Convert to fraction form
    204,902.31/307,353.46 = 55,142.93/x
  3. Step 3: Cross multiply
    204,902.31x = 307,353.46 × 55,142.93
  4. Step 4: Simplify right side
    204,902.31x = 16,948,369,490.18
  5. Step 5: Solve for x
    x = 16,948,369,490.18/204,902.31
  6. Step 6: Final answer
    x = 82,714.39

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1.5x scale

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.