Home / 356,025.54-491,315.98-194,890.90

Finding the Fourth Proportional to 356,025.54, 491,315.98 and 194,890.90

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Solution

The fourth proportional to 356,025.54, 491,315.98 and 194,890.90 is: 268,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,025.54 : 491,315.98 = 194,890.90 : x
  2. Step 2: Convert to fraction form
    356,025.54/491,315.98 = 194,890.90/x
  3. Step 3: Cross multiply
    356,025.54x = 491,315.98 × 194,890.90
  4. Step 4: Simplify right side
    356,025.54x = 95,753,013,526.58
  5. Step 5: Solve for x
    x = 95,753,013,526.58/356,025.54
  6. Step 6: Final answer
    x = 268,949.84

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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.