Home / 251,885.20-347,234.37-191,350.75

Finding the Fourth Proportional to 251,885.20, 347,234.37 and 191,350.75

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Solution

The fourth proportional to 251,885.20, 347,234.37 and 191,350.75 is: 263,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,885.20 : 347,234.37 = 191,350.75 : x
  2. Step 2: Convert to fraction form
    251,885.20/347,234.37 = 191,350.75/x
  3. Step 3: Cross multiply
    251,885.20x = 347,234.37 × 191,350.75
  4. Step 4: Simplify right side
    251,885.20x = 66,443,557,125.28
  5. Step 5: Solve for x
    x = 66,443,557,125.28/251,885.20
  6. Step 6: Final answer
    x = 263,785.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.