Home / 330,113.71-455,558.82-194,153.39

Finding the Fourth Proportional to 330,113.71, 455,558.82 and 194,153.39

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Solution

The fourth proportional to 330,113.71, 455,558.82 and 194,153.39 is: 267,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,113.71 : 455,558.82 = 194,153.39 : x
  2. Step 2: Convert to fraction form
    330,113.71/455,558.82 = 194,153.39/x
  3. Step 3: Cross multiply
    330,113.71x = 455,558.82 × 194,153.39
  4. Step 4: Simplify right side
    330,113.71x = 88,448,287,949.88
  5. Step 5: Solve for x
    x = 88,448,287,949.88/330,113.71
  6. Step 6: Final answer
    x = 267,932.79

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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.