Home / 347,790.32-479,968.62-194,819.60

Finding the Fourth Proportional to 347,790.32, 479,968.62 and 194,819.60

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Solution

The fourth proportional to 347,790.32, 479,968.62 and 194,819.60 is: 268,861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,790.32 : 479,968.62 = 194,819.60 : x
  2. Step 2: Convert to fraction form
    347,790.32/479,968.62 = 194,819.60/x
  3. Step 3: Cross multiply
    347,790.32x = 479,968.62 × 194,819.60
  4. Step 4: Simplify right side
    347,790.32x = 93,507,294,560.95
  5. Step 5: Solve for x
    x = 93,507,294,560.95/347,790.32
  6. Step 6: Final answer
    x = 268,861.12

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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.