Home / 329,213.76-454,315.20-178,311.36

Finding the Fourth Proportional to 329,213.76, 454,315.20 and 178,311.36

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Solution

The fourth proportional to 329,213.76, 454,315.20 and 178,311.36 is: 246,069.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,213.76 : 454,315.20 = 178,311.36 : x
  2. Step 2: Convert to fraction form
    329,213.76/454,315.20 = 178,311.36/x
  3. Step 3: Cross multiply
    329,213.76x = 454,315.20 × 178,311.36
  4. Step 4: Simplify right side
    329,213.76x = 81,009,561,180.67
  5. Step 5: Solve for x
    x = 81,009,561,180.67/329,213.76
  6. Step 6: Final answer
    x = 246,069.79

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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.