Home / 321,166.20-443,212.92-177,928.50

Finding the Fourth Proportional to 321,166.20, 443,212.92 and 177,928.50

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Solution

The fourth proportional to 321,166.20, 443,212.92 and 177,928.50 is: 245,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,166.20 : 443,212.92 = 177,928.50 : x
  2. Step 2: Convert to fraction form
    321,166.20/443,212.92 = 177,928.50/x
  3. Step 3: Cross multiply
    321,166.20x = 443,212.92 × 177,928.50
  4. Step 4: Simplify right side
    321,166.20x = 78,860,210,036.22
  5. Step 5: Solve for x
    x = 78,860,210,036.22/321,166.20
  6. Step 6: Final answer
    x = 245,543.30

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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.