Home / 188,811.81-283,217.58-129,467.57

Finding the Fourth Proportional to 188,811.81, 283,217.58 and 129,467.57

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Solution

The fourth proportional to 188,811.81, 283,217.58 and 129,467.57 is: 194,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,811.81 : 283,217.58 = 129,467.57 : x
  2. Step 2: Convert to fraction form
    188,811.81/283,217.58 = 129,467.57/x
  3. Step 3: Cross multiply
    188,811.81x = 283,217.58 × 129,467.57
  4. Step 4: Simplify right side
    188,811.81x = 36,667,490,447.79
  5. Step 5: Solve for x
    x = 36,667,490,447.79/188,811.81
  6. Step 6: Final answer
    x = 194,201.25

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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.