Home / 109,965.38-164,937.12-50,800.20

Finding the Fourth Proportional to 109,965.38, 164,937.12 and 50,800.20

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Solution

The fourth proportional to 109,965.38, 164,937.12 and 50,800.20 is: 76,195.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,965.38 : 164,937.12 = 50,800.20 : x
  2. Step 2: Convert to fraction form
    109,965.38/164,937.12 = 50,800.20/x
  3. Step 3: Cross multiply
    109,965.38x = 164,937.12 × 50,800.20
  4. Step 4: Simplify right side
    109,965.38x = 8,378,838,683.42
  5. Step 5: Solve for x
    x = 8,378,838,683.42/109,965.38
  6. Step 6: Final answer
    x = 76,195.24

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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.