Home / 355,933.42-533,947.11-131,451.64

Finding the Fourth Proportional to 355,933.42, 533,947.11 and 131,451.64

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Solution

The fourth proportional to 355,933.42, 533,947.11 and 131,451.64 is: 197,194.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,933.42 : 533,947.11 = 131,451.64 : x
  2. Step 2: Convert to fraction form
    355,933.42/533,947.11 = 131,451.64/x
  3. Step 3: Cross multiply
    355,933.42x = 533,947.11 × 131,451.64
  4. Step 4: Simplify right side
    355,933.42x = 70,188,223,282.76
  5. Step 5: Solve for x
    x = 70,188,223,282.76/355,933.42
  6. Step 6: Final answer
    x = 197,194.81

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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.