Home / 140,183.08-193,456.02-76,520.44

Finding the Fourth Proportional to 140,183.08, 193,456.02 and 76,520.44

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Solution

The fourth proportional to 140,183.08, 193,456.02 and 76,520.44 is: 105,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,183.08 : 193,456.02 = 76,520.44 : x
  2. Step 2: Convert to fraction form
    140,183.08/193,456.02 = 76,520.44/x
  3. Step 3: Cross multiply
    140,183.08x = 193,456.02 × 76,520.44
  4. Step 4: Simplify right side
    140,183.08x = 14,803,339,771.05
  5. Step 5: Solve for x
    x = 14,803,339,771.05/140,183.08
  6. Step 6: Final answer
    x = 105,600.05

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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.