Home / 194,042.13-267,815.10-109,159.20

Finding the Fourth Proportional to 194,042.13, 267,815.10 and 109,159.20

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Solution

The fourth proportional to 194,042.13, 267,815.10 and 109,159.20 is: 150,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,042.13 : 267,815.10 = 109,159.20 : x
  2. Step 2: Convert to fraction form
    194,042.13/267,815.10 = 109,159.20/x
  3. Step 3: Cross multiply
    194,042.13x = 267,815.10 × 109,159.20
  4. Step 4: Simplify right side
    194,042.13x = 29,234,482,063.92
  5. Step 5: Solve for x
    x = 29,234,482,063.92/194,042.13
  6. Step 6: Final answer
    x = 150,660.49

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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.