Home / 331,434.03-496,765.36-189,378.82

Finding the Fourth Proportional to 331,434.03, 496,765.36 and 189,378.82

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Solution

The fourth proportional to 331,434.03, 496,765.36 and 189,378.82 is: 283,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,434.03 : 496,765.36 = 189,378.82 : x
  2. Step 2: Convert to fraction form
    331,434.03/496,765.36 = 189,378.82/x
  3. Step 3: Cross multiply
    331,434.03x = 496,765.36 × 189,378.82
  4. Step 4: Simplify right side
    331,434.03x = 94,076,836,289.68
  5. Step 5: Solve for x
    x = 94,076,836,289.68/331,434.03
  6. Step 6: Final answer
    x = 283,847.85

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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.