Home / 129,453.96-194,176.08-53,550.48

Finding the Fourth Proportional to 129,453.96, 194,176.08 and 53,550.48

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Solution

The fourth proportional to 129,453.96, 194,176.08 and 53,550.48 is: 80,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,453.96 : 194,176.08 = 53,550.48 : x
  2. Step 2: Convert to fraction form
    129,453.96/194,176.08 = 53,550.48/x
  3. Step 3: Cross multiply
    129,453.96x = 194,176.08 × 53,550.48
  4. Step 4: Simplify right side
    129,453.96x = 10,398,222,288.52
  5. Step 5: Solve for x
    x = 10,398,222,288.52/129,453.96
  6. Step 6: Final answer
    x = 80,323.71

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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.