Home / 131,183.01-196,608.38-83,779.79

Finding the Fourth Proportional to 131,183.01, 196,608.38 and 83,779.79

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Solution

The fourth proportional to 131,183.01, 196,608.38 and 83,779.79 is: 125,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,183.01 : 196,608.38 = 83,779.79 : x
  2. Step 2: Convert to fraction form
    131,183.01/196,608.38 = 83,779.79/x
  3. Step 3: Cross multiply
    131,183.01x = 196,608.38 × 83,779.79
  4. Step 4: Simplify right side
    131,183.01x = 16,471,807,386.70
  5. Step 5: Solve for x
    x = 16,471,807,386.70/131,183.01
  6. Step 6: Final answer
    x = 125,563.57

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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.