Home / 148,234.02-204,561.48-80,249.20

Finding the Fourth Proportional to 148,234.02, 204,561.48 and 80,249.20

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Solution

The fourth proportional to 148,234.02, 204,561.48 and 80,249.20 is: 110,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,234.02 : 204,561.48 = 80,249.20 : x
  2. Step 2: Convert to fraction form
    148,234.02/204,561.48 = 80,249.20/x
  3. Step 3: Cross multiply
    148,234.02x = 204,561.48 × 80,249.20
  4. Step 4: Simplify right side
    148,234.02x = 16,415,894,910.35
  5. Step 5: Solve for x
    x = 16,415,894,910.35/148,234.02
  6. Step 6: Final answer
    x = 110,743.10

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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.