Home / 321,181.17-443,212.51-177,932.67

Finding the Fourth Proportional to 321,181.17, 443,212.51 and 177,932.67

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Solution

The fourth proportional to 321,181.17, 443,212.51 and 177,932.67 is: 245,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,181.17 : 443,212.51 = 177,932.67 : x
  2. Step 2: Convert to fraction form
    321,181.17/443,212.51 = 177,932.67/x
  3. Step 3: Cross multiply
    321,181.17x = 443,212.51 × 177,932.67
  4. Step 4: Simplify right side
    321,181.17x = 78,861,985,281.70
  5. Step 5: Solve for x
    x = 78,861,985,281.70/321,181.17
  6. Step 6: Final answer
    x = 245,537.39

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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.