Home / 193,234.20-289,851.30-190,123.80

Finding the Fourth Proportional to 193,234.20, 289,851.30 and 190,123.80

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Solution

The fourth proportional to 193,234.20, 289,851.30 and 190,123.80 is: 285,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,234.20 : 289,851.30 = 190,123.80 : x
  2. Step 2: Convert to fraction form
    193,234.20/289,851.30 = 190,123.80/x
  3. Step 3: Cross multiply
    193,234.20x = 289,851.30 × 190,123.80
  4. Step 4: Simplify right side
    193,234.20x = 55,107,630,590.94
  5. Step 5: Solve for x
    x = 55,107,630,590.94/193,234.20
  6. Step 6: Final answer
    x = 285,185.70

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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.