Home / 194,005.20-267,705.48-109,120.40

Finding the Fourth Proportional to 194,005.20, 267,705.48 and 109,120.40

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Solution

The fourth proportional to 194,005.20, 267,705.48 and 109,120.40 is: 150,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,005.20 : 267,705.48 = 109,120.40 : x
  2. Step 2: Convert to fraction form
    194,005.20/267,705.48 = 109,120.40/x
  3. Step 3: Cross multiply
    194,005.20x = 267,705.48 × 109,120.40
  4. Step 4: Simplify right side
    194,005.20x = 29,212,129,059.79
  5. Step 5: Solve for x
    x = 29,212,129,059.79/194,005.20
  6. Step 6: Final answer
    x = 150,573.95

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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.