Home / 109,949.40-164,924.10-109,293.30

Finding the Fourth Proportional to 109,949.40, 164,924.10 and 109,293.30

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Solution

The fourth proportional to 109,949.40, 164,924.10 and 109,293.30 is: 163,939.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,949.40 : 164,924.10 = 109,293.30 : x
  2. Step 2: Convert to fraction form
    109,949.40/164,924.10 = 109,293.30/x
  3. Step 3: Cross multiply
    109,949.40x = 164,924.10 × 109,293.30
  4. Step 4: Simplify right side
    109,949.40x = 18,025,099,138.53
  5. Step 5: Solve for x
    x = 18,025,099,138.53/109,949.40
  6. Step 6: Final answer
    x = 163,939.95

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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.