Home / 285,445.42-394,096.19-178,173.07

Finding the Fourth Proportional to 285,445.42, 394,096.19 and 178,173.07

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Solution

The fourth proportional to 285,445.42, 394,096.19 and 178,173.07 is: 245,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,445.42 : 394,096.19 = 178,173.07 : x
  2. Step 2: Convert to fraction form
    285,445.42/394,096.19 = 178,173.07/x
  3. Step 3: Cross multiply
    285,445.42x = 394,096.19 × 178,173.07
  4. Step 4: Simplify right side
    285,445.42x = 70,217,326,171.50
  5. Step 5: Solve for x
    x = 70,217,326,171.50/285,445.42
  6. Step 6: Final answer
    x = 245,992.13

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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.