Home / 148,549.50-204,998.40-80,566.44

Finding the Fourth Proportional to 148,549.50, 204,998.40 and 80,566.44

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Solution

The fourth proportional to 148,549.50, 204,998.40 and 80,566.44 is: 111,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,549.50 : 204,998.40 = 80,566.44 : x
  2. Step 2: Convert to fraction form
    148,549.50/204,998.40 = 80,566.44/x
  3. Step 3: Cross multiply
    148,549.50x = 204,998.40 × 80,566.44
  4. Step 4: Simplify right side
    148,549.50x = 16,515,991,293.70
  5. Step 5: Solve for x
    x = 16,515,991,293.70/148,549.50
  6. Step 6: Final answer
    x = 111,181.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.