Home / 179,426.40-268,621.20-109,442.40

Finding the Fourth Proportional to 179,426.40, 268,621.20 and 109,442.40

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Solution

The fourth proportional to 179,426.40, 268,621.20 and 109,442.40 is: 163,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,426.40 : 268,621.20 = 109,442.40 : x
  2. Step 2: Convert to fraction form
    179,426.40/268,621.20 = 109,442.40/x
  3. Step 3: Cross multiply
    179,426.40x = 268,621.20 × 109,442.40
  4. Step 4: Simplify right side
    179,426.40x = 29,398,548,818.88
  5. Step 5: Solve for x
    x = 29,398,548,818.88/179,426.40
  6. Step 6: Final answer
    x = 163,847.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.