Home / 109,363.87-149,937.83-107,370.96

Finding the Fourth Proportional to 109,363.87, 149,937.83 and 107,370.96

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Solution

The fourth proportional to 109,363.87, 149,937.83 and 107,370.96 is: 147,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,363.87 : 149,937.83 = 107,370.96 : x
  2. Step 2: Convert to fraction form
    109,363.87/149,937.83 = 107,370.96/x
  3. Step 3: Cross multiply
    109,363.87x = 149,937.83 × 107,370.96
  4. Step 4: Simplify right side
    109,363.87x = 16,098,968,747.42
  5. Step 5: Solve for x
    x = 16,098,968,747.42/109,363.87
  6. Step 6: Final answer
    x = 147,205.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.