Home / 321,354.08-443,460.92-178,111.04

Finding the Fourth Proportional to 321,354.08, 443,460.92 and 178,111.04

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Solution

The fourth proportional to 321,354.08, 443,460.92 and 178,111.04 is: 245,788.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,354.08 : 443,460.92 = 178,111.04 : x
  2. Step 2: Convert to fraction form
    321,354.08/443,460.92 = 178,111.04/x
  3. Step 3: Cross multiply
    321,354.08x = 443,460.92 × 178,111.04
  4. Step 4: Simplify right side
    321,354.08x = 78,985,285,660.56
  5. Step 5: Solve for x
    x = 78,985,285,660.56/321,354.08
  6. Step 6: Final answer
    x = 245,788.96

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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.