Home / 355,324.46-490,349.04-194,181.98

Finding the Fourth Proportional to 355,324.46, 490,349.04 and 194,181.98

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Solution

The fourth proportional to 355,324.46, 490,349.04 and 194,181.98 is: 267,971.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,324.46 : 490,349.04 = 194,181.98 : x
  2. Step 2: Convert to fraction form
    355,324.46/490,349.04 = 194,181.98/x
  3. Step 3: Cross multiply
    355,324.46x = 490,349.04 × 194,181.98
  4. Step 4: Simplify right side
    355,324.46x = 95,216,947,478.30
  5. Step 5: Solve for x
    x = 95,216,947,478.30/355,324.46
  6. Step 6: Final answer
    x = 267,971.83

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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.