Home / 107,179.68-160,777.20-28,293.12

Finding the Fourth Proportional to 107,179.68, 160,777.20 and 28,293.12

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Solution

The fourth proportional to 107,179.68, 160,777.20 and 28,293.12 is: 42,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,179.68 : 160,777.20 = 28,293.12 : x
  2. Step 2: Convert to fraction form
    107,179.68/160,777.20 = 28,293.12/x
  3. Step 3: Cross multiply
    107,179.68x = 160,777.20 × 28,293.12
  4. Step 4: Simplify right side
    107,179.68x = 4,548,888,612.86
  5. Step 5: Solve for x
    x = 4,548,888,612.86/107,179.68
  6. Step 6: Final answer
    x = 42,441.71

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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.