Home / 330,114.71-455,560.20-194,154.39

Finding the Fourth Proportional to 330,114.71, 455,560.20 and 194,154.39

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Solution

The fourth proportional to 330,114.71, 455,560.20 and 194,154.39 is: 267,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,114.71 : 455,560.20 = 194,154.39 : x
  2. Step 2: Convert to fraction form
    330,114.71/455,560.20 = 194,154.39/x
  3. Step 3: Cross multiply
    330,114.71x = 455,560.20 × 194,154.39
  4. Step 4: Simplify right side
    330,114.71x = 88,449,012,739.28
  5. Step 5: Solve for x
    x = 88,449,012,739.28/330,114.71
  6. Step 6: Final answer
    x = 267,934.18

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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.