Home / 321,176.86-443,188.20-177,901.36

Finding the Fourth Proportional to 321,176.86, 443,188.20 and 177,901.36

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Solution

The fourth proportional to 321,176.86, 443,188.20 and 177,901.36 is: 245,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,176.86 : 443,188.20 = 177,901.36 : x
  2. Step 2: Convert to fraction form
    321,176.86/443,188.20 = 177,901.36/x
  3. Step 3: Cross multiply
    321,176.86x = 443,188.20 × 177,901.36
  4. Step 4: Simplify right side
    321,176.86x = 78,843,783,515.95
  5. Step 5: Solve for x
    x = 78,843,783,515.95/321,176.86
  6. Step 6: Final answer
    x = 245,484.01

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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.