Home / 128,353.41-192,529.44-34,859.16

Finding the Fourth Proportional to 128,353.41, 192,529.44 and 34,859.16

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Solution

The fourth proportional to 128,353.41, 192,529.44 and 34,859.16 is: 52,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,353.41 : 192,529.44 = 34,859.16 : x
  2. Step 2: Convert to fraction form
    128,353.41/192,529.44 = 34,859.16/x
  3. Step 3: Cross multiply
    128,353.41x = 192,529.44 × 34,859.16
  4. Step 4: Simplify right side
    128,353.41x = 6,711,414,553.67
  5. Step 5: Solve for x
    x = 6,711,414,553.67/128,353.41
  6. Step 6: Final answer
    x = 52,288.56

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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.