Home / 128,253.41-192,383.40-60,769.61

Finding the Fourth Proportional to 128,253.41, 192,383.40 and 60,769.61

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Solution

The fourth proportional to 128,253.41, 192,383.40 and 60,769.61 is: 91,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,253.41 : 192,383.40 = 60,769.61 : x
  2. Step 2: Convert to fraction form
    128,253.41/192,383.40 = 60,769.61/x
  3. Step 3: Cross multiply
    128,253.41x = 192,383.40 × 60,769.61
  4. Step 4: Simplify right side
    128,253.41x = 11,691,064,188.47
  5. Step 5: Solve for x
    x = 11,691,064,188.47/128,253.41
  6. Step 6: Final answer
    x = 91,155.97

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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.