Home / 316,127.92-436,268.55-180,183.34

Finding the Fourth Proportional to 316,127.92, 436,268.55 and 180,183.34

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Solution

The fourth proportional to 316,127.92, 436,268.55 and 180,183.34 is: 248,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,127.92 : 436,268.55 = 180,183.34 : x
  2. Step 2: Convert to fraction form
    316,127.92/436,268.55 = 180,183.34/x
  3. Step 3: Cross multiply
    316,127.92x = 436,268.55 × 180,183.34
  4. Step 4: Simplify right side
    316,127.92x = 78,608,324,475.96
  5. Step 5: Solve for x
    x = 78,608,324,475.96/316,127.92
  6. Step 6: Final answer
    x = 248,659.86

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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.