Home / 203,440.10-305,160.15-192,035.30

Finding the Fourth Proportional to 203,440.10, 305,160.15 and 192,035.30

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Solution

The fourth proportional to 203,440.10, 305,160.15 and 192,035.30 is: 288,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,440.10 : 305,160.15 = 192,035.30 : x
  2. Step 2: Convert to fraction form
    203,440.10/305,160.15 = 192,035.30/x
  3. Step 3: Cross multiply
    203,440.10x = 305,160.15 × 192,035.30
  4. Step 4: Simplify right side
    203,440.10x = 58,601,520,953.30
  5. Step 5: Solve for x
    x = 58,601,520,953.30/203,440.10
  6. Step 6: Final answer
    x = 288,052.95

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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.