Home / 109,366.20-164,029.05-30,464.10

Finding the Fourth Proportional to 109,366.20, 164,029.05 and 30,464.10

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Solution

The fourth proportional to 109,366.20, 164,029.05 and 30,464.10 is: 45,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,366.20 : 164,029.05 = 30,464.10 : x
  2. Step 2: Convert to fraction form
    109,366.20/164,029.05 = 30,464.10/x
  3. Step 3: Cross multiply
    109,366.20x = 164,029.05 × 30,464.10
  4. Step 4: Simplify right side
    109,366.20x = 4,996,997,382.11
  5. Step 5: Solve for x
    x = 4,996,997,382.11/109,366.20
  6. Step 6: Final answer
    x = 45,690.51

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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.