Home / 330,120.46-455,568.10-194,160.14

Finding the Fourth Proportional to 330,120.46, 455,568.10 and 194,160.14

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Solution

The fourth proportional to 330,120.46, 455,568.10 and 194,160.14 is: 267,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,120.46 : 455,568.10 = 194,160.14 : x
  2. Step 2: Convert to fraction form
    330,120.46/455,568.10 = 194,160.14/x
  3. Step 3: Cross multiply
    330,120.46x = 455,568.10 × 194,160.14
  4. Step 4: Simplify right side
    330,120.46x = 88,453,165,020.67
  5. Step 5: Solve for x
    x = 88,453,165,020.67/330,120.46
  6. Step 6: Final answer
    x = 267,942.09

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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.